40749980

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3229}}^1$

素因数の和:3869

約数の個数: 24

約数和(自身を含む): 85737120

約数和(自身を除く): 44987140

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 3229, 6310, 6458, 12620, 12916, 16145, 32290, 64580, 2037499, 4074998, 8149996, 10187495, 20374990, 40749980]

約数ペア:

[(1, 40749980), (2, 20374990), (4, 10187495), (5, 8149996), (10, 4074998), (20, 2037499), (631, 64580), (1262, 32290), (2524, 16145), (3155, 12916), (3229, 12620), (6310, 6458)]