9021920

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 21546000

約数和(自身を除く): 12524080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 499, 565, 904, 998, 1130, 1808, 1996, 2260, 2495, 3616, 3992, 4520, 4990, 7984, 9040, 9980, 15968, 18080, 19960, 39920, 56387, 79840, 112774, 225548, 281935, 451096, 563870, 902192, 1127740, 1804384, 2255480, 4510960, 9021920]

約数ペア:

[(1, 9021920), (2, 4510960), (4, 2255480), (5, 1804384), (8, 1127740), (10, 902192), (16, 563870), (20, 451096), (32, 281935), (40, 225548), (80, 112774), (113, 79840), (160, 56387), (226, 39920), (452, 19960), (499, 18080), (565, 15968), (904, 9980), (998, 9040), (1130, 7984), (1808, 4990), (1996, 4520), (2260, 3992), (2495, 3616)]