28403680

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1571}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 67740624

約数和(自身を除く): 39336944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1571, 1808, 2260, 3142, 3616, 4520, 6284, 7855, 9040, 12568, 15710, 18080, 25136, 31420, 50272, 62840, 125680, 177523, 251360, 355046, 710092, 887615, 1420184, 1775230, 2840368, 3550460, 5680736, 7100920, 14201840, 28403680]

約数ペア:

[(1, 28403680), (2, 14201840), (4, 7100920), (5, 5680736), (8, 3550460), (10, 2840368), (16, 1775230), (20, 1420184), (32, 887615), (40, 710092), (80, 355046), (113, 251360), (160, 177523), (226, 125680), (452, 62840), (565, 50272), (904, 31420), (1130, 25136), (1571, 18080), (1808, 15710), (2260, 12568), (3142, 9040), (3616, 7855), (4520, 6284)]