18028400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3498

約数の個数: 60

約数和(自身を含む): 46658472

約数和(自身を除く): 28630072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3467, 5200, 6934, 13868, 17335, 27736, 34670, 45071, 55472, 69340, 86675, 90142, 138680, 173350, 180284, 225355, 277360, 346700, 360568, 450710, 693400, 721136, 901420, 1126775, 1386800, 1802840, 2253550, 3605680, 4507100, 9014200, 18028400]

約数ペア:

[(1, 18028400), (2, 9014200), (4, 4507100), (5, 3605680), (8, 2253550), (10, 1802840), (13, 1386800), (16, 1126775), (20, 901420), (25, 721136), (26, 693400), (40, 450710), (50, 360568), (52, 346700), (65, 277360), (80, 225355), (100, 180284), (104, 173350), (130, 138680), (200, 90142), (208, 86675), (260, 69340), (325, 55472), (400, 45071), (520, 34670), (650, 27736), (1040, 17335), (1300, 13868), (2600, 6934), (3467, 5200)]