56491640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26647}}^1$

素因数の和:26711

約数の個数: 32

約数和(自身を含む): 129509280

約数和(自身を除く): 73017640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 26647, 53294, 106588, 133235, 213176, 266470, 532940, 1065880, 1412291, 2824582, 5649164, 7061455, 11298328, 14122910, 28245820, 56491640]

約数ペア:

[(1, 56491640), (2, 28245820), (4, 14122910), (5, 11298328), (8, 7061455), (10, 5649164), (20, 2824582), (40, 1412291), (53, 1065880), (106, 532940), (212, 266470), (265, 213176), (424, 133235), (530, 106588), (1060, 53294), (2120, 26647)]