28692800

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 84

約数和(自身を含む): 71810880

約数和(自身を除く): 43118080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 227, 316, 320, 395, 400, 454, 632, 790, 800, 908, 1135, 1264, 1580, 1600, 1816, 1975, 2270, 2528, 3160, 3632, 3950, 4540, 5056, 5675, 6320, 7264, 7900, 9080, 11350, 12640, 14528, 15800, 17933, 18160, 22700, 25280, 31600, 35866, 36320, 45400, 63200, 71732, 72640, 89665, 90800, 126400, 143464, 179330, 181600, 286928, 358660, 363200, 448325, 573856, 717320, 896650, 1147712, 1434640, 1793300, 2869280, 3586600, 5738560, 7173200, 14346400, 28692800]

約数ペア:

[(1, 28692800), (2, 14346400), (4, 7173200), (5, 5738560), (8, 3586600), (10, 2869280), (16, 1793300), (20, 1434640), (25, 1147712), (32, 896650), (40, 717320), (50, 573856), (64, 448325), (79, 363200), (80, 358660), (100, 286928), (158, 181600), (160, 179330), (200, 143464), (227, 126400), (316, 90800), (320, 89665), (395, 72640), (400, 71732), (454, 63200), (632, 45400), (790, 36320), (800, 35866), (908, 31600), (1135, 25280), (1264, 22700), (1580, 18160), (1600, 17933), (1816, 15800), (1975, 14528), (2270, 12640), (2528, 11350), (3160, 9080), (3632, 7900), (3950, 7264), (4540, 6320), (5056, 5675)]