15697901980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9935381}}^1$

素因数の和:9935469

約数の個数: 24

約数和(自身を含む): 33382883520

約数和(自身を除く): 17684981540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9935381, 19870762, 39741524, 49676905, 99353810, 198707620, 784895099, 1569790198, 3139580396, 3924475495, 7848950990, 15697901980]

約数ペア:

[(1, 15697901980), (2, 7848950990), (4, 3924475495), (5, 3139580396), (10, 1569790198), (20, 784895099), (79, 198707620), (158, 99353810), (316, 49676905), (395, 39741524), (790, 19870762), (1580, 9935381)]