27680000

素因数分解:

$2^8\times 5^4\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 90

約数和(自身を含む): 69441834

約数和(自身を除く): 41761834

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 173, 200, 250, 256, 320, 346, 400, 500, 625, 640, 692, 800, 865, 1000, 1250, 1280, 1384, 1600, 1730, 2000, 2500, 2768, 3200, 3460, 4000, 4325, 5000, 5536, 6400, 6920, 8000, 8650, 10000, 11072, 13840, 16000, 17300, 20000, 21625, 22144, 27680, 32000, 34600, 40000, 43250, 44288, 55360, 69200, 80000, 86500, 108125, 110720, 138400, 160000, 173000, 216250, 221440, 276800, 346000, 432500, 553600, 692000, 865000, 1107200, 1384000, 1730000, 2768000, 3460000, 5536000, 6920000, 13840000, 27680000]

約数ペア:

[(1, 27680000), (2, 13840000), (4, 6920000), (5, 5536000), (8, 3460000), (10, 2768000), (16, 1730000), (20, 1384000), (25, 1107200), (32, 865000), (40, 692000), (50, 553600), (64, 432500), (80, 346000), (100, 276800), (125, 221440), (128, 216250), (160, 173000), (173, 160000), (200, 138400), (250, 110720), (256, 108125), (320, 86500), (346, 80000), (400, 69200), (500, 55360), (625, 44288), (640, 43250), (692, 40000), (800, 34600), (865, 32000), (1000, 27680), (1250, 22144), (1280, 21625), (1384, 20000), (1600, 17300), (1730, 16000), (2000, 13840), (2500, 11072), (2768, 10000), (3200, 8650), (3460, 8000), (4000, 6920), (4325, 6400), (5000, 5536)]