56347640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6317}}^1$

素因数の和:6551

約数の個数: 32

約数和(自身を含む): 127370880

約数和(自身を除く): 71023240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6317, 8920, 12634, 25268, 31585, 50536, 63170, 126340, 252680, 1408691, 2817382, 5634764, 7043455, 11269528, 14086910, 28173820, 56347640]

約数ペア:

[(1, 56347640), (2, 28173820), (4, 14086910), (5, 11269528), (8, 7043455), (10, 5634764), (20, 2817382), (40, 1408691), (223, 252680), (446, 126340), (892, 63170), (1115, 50536), (1784, 31585), (2230, 25268), (4460, 12634), (6317, 8920)]