28325680

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{677}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 66080592

約数和(自身を除く): 37754912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 677, 1046, 1354, 2092, 2615, 2708, 3385, 4184, 5230, 5416, 6770, 8368, 10460, 10832, 13540, 20920, 27080, 41840, 54160, 354071, 708142, 1416284, 1770355, 2832568, 3540710, 5665136, 7081420, 14162840, 28325680]

約数ペア:

[(1, 28325680), (2, 14162840), (4, 7081420), (5, 5665136), (8, 3540710), (10, 2832568), (16, 1770355), (20, 1416284), (40, 708142), (80, 354071), (523, 54160), (677, 41840), (1046, 27080), (1354, 20920), (2092, 13540), (2615, 10832), (2708, 10460), (3385, 8368), (4184, 6770), (5230, 5416)]