64527970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3571}}^1$

素因数の和:3730

約数の個数: 32

約数和(自身を含む): 126020160

約数和(自身を除く): 61492190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3571, 3614, 7142, 9035, 17855, 18070, 35710, 46423, 92846, 232115, 464230, 496369, 992738, 2481845, 4963690, 6452797, 12905594, 32263985, 64527970]

約数ペア:

[(1, 64527970), (2, 32263985), (5, 12905594), (10, 6452797), (13, 4963690), (26, 2481845), (65, 992738), (130, 496369), (139, 464230), (278, 232115), (695, 92846), (1390, 46423), (1807, 35710), (3571, 18070), (3614, 17855), (7142, 9035)]