1640247050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2523457}}^1$

素因数の和:2523482

約数の個数: 24

約数和(自身を含む): 3285542316

約数和(自身を除く): 1645295266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 2523457, 5046914, 12617285, 25234570, 32804941, 63086425, 65609882, 126172850, 164024705, 328049410, 820123525, 1640247050]

約数ペア:

[(1, 1640247050), (2, 820123525), (5, 328049410), (10, 164024705), (13, 126172850), (25, 65609882), (26, 63086425), (50, 32804941), (65, 25234570), (130, 12617285), (325, 5046914), (650, 2523457)]