28081360000

素因数分解:

$2^7\times 5^4\times {\mathrm{173}}^1\times {\mathrm{2029}}^1$

素因数の和:2236

約数の個数: 160

約数和(自身を含む): 70345529100

約数和(自身を除く): 42264169100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 173, 200, 250, 320, 346, 400, 500, 625, 640, 692, 800, 865, 1000, 1250, 1384, 1600, 1730, 2000, 2029, 2500, 2768, 3200, 3460, 4000, 4058, 4325, 5000, 5536, 6920, 8000, 8116, 8650, 10000, 10145, 11072, 13840, 16000, 16232, 17300, 20000, 20290, 21625, 22144, 27680, 32464, 34600, 40000, 40580, 43250, 50725, 55360, 64928, 69200, 80000, 81160, 86500, 101450, 108125, 110720, 129856, 138400, 162320, 173000, 202900, 216250, 253625, 259712, 276800, 324640, 346000, 351017, 405800, 432500, 507250, 553600, 649280, 692000, 702034, 811600, 865000, 1014500, 1268125, 1298560, 1384000, 1404068, 1623200, 1730000, 1755085, 2029000, 2536250, 2768000, 2808136, 3246400, 3460000, 3510170, 4058000, 5072500, 5616272, 6492800, 6920000, 7020340, 8116000, 8775425, 10145000, 11232544, 13840000, 14040680, 16232000, 17550850, 20290000, 22465088, 28081360, 32464000, 35101700, 40580000, 43877125, 44930176, 56162720, 70203400, 81160000, 87754250, 112325440, 140406800, 162320000, 175508500, 219385625, 224650880, 280813600, 351017000, 438771250, 561627200, 702034000, 877542500, 1123254400, 1404068000, 1755085000, 2808136000, 3510170000, 5616272000, 7020340000, 14040680000, 28081360000]

約数ペア:

[(1, 28081360000), (2, 14040680000), (4, 7020340000), (5, 5616272000), (8, 3510170000), (10, 2808136000), (16, 1755085000), (20, 1404068000), (25, 1123254400), (32, 877542500), (40, 702034000), (50, 561627200), (64, 438771250), (80, 351017000), (100, 280813600), (125, 224650880), (128, 219385625), (160, 175508500), (173, 162320000), (200, 140406800), (250, 112325440), (320, 87754250), (346, 81160000), (400, 70203400), (500, 56162720), (625, 44930176), (640, 43877125), (692, 40580000), (800, 35101700), (865, 32464000), (1000, 28081360), (1250, 22465088), (1384, 20290000), (1600, 17550850), (1730, 16232000), (2000, 14040680), (2029, 13840000), (2500, 11232544), (2768, 10145000), (3200, 8775425), (3460, 8116000), (4000, 7020340), (4058, 6920000), (4325, 6492800), (5000, 5616272), (5536, 5072500), (6920, 4058000), (8000, 3510170), (8116, 3460000), (8650, 3246400), (10000, 2808136), (10145, 2768000), (11072, 2536250), (13840, 2029000), (16000, 1755085), (16232, 1730000), (17300, 1623200), (20000, 1404068), (20290, 1384000), (21625, 1298560), (22144, 1268125), (27680, 1014500), (32464, 865000), (34600, 811600), (40000, 702034), (40580, 692000), (43250, 649280), (50725, 553600), (55360, 507250), (64928, 432500), (69200, 405800), (80000, 351017), (81160, 346000), (86500, 324640), (101450, 276800), (108125, 259712), (110720, 253625), (129856, 216250), (138400, 202900), (162320, 173000)]