67317640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129457}}^1$

素因数の和:129481

約数の個数: 32

約数和(自身を含む): 163117080

約数和(自身を除く): 95799440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 129457, 258914, 517828, 647285, 1035656, 1294570, 1682941, 2589140, 3365882, 5178280, 6731764, 8414705, 13463528, 16829410, 33658820, 67317640]

約数ペア:

[(1, 67317640), (2, 33658820), (4, 16829410), (5, 13463528), (8, 8414705), (10, 6731764), (13, 5178280), (20, 3365882), (26, 2589140), (40, 1682941), (52, 1294570), (65, 1035656), (104, 647285), (130, 517828), (260, 258914), (520, 129457)]