9863750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:642

約数の個数: 40

約数和(自身を含む): 19943616

約数和(自身を除く): 10079866

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 607, 625, 650, 1214, 1250, 1625, 3035, 3250, 6070, 7891, 8125, 15175, 15782, 16250, 30350, 39455, 75875, 78910, 151750, 197275, 379375, 394550, 758750, 986375, 1972750, 4931875, 9863750]

約数ペア:

[(1, 9863750), (2, 4931875), (5, 1972750), (10, 986375), (13, 758750), (25, 394550), (26, 379375), (50, 197275), (65, 151750), (125, 78910), (130, 75875), (250, 39455), (325, 30350), (607, 16250), (625, 15782), (650, 15175), (1214, 8125), (1250, 7891), (1625, 6070), (3035, 3250)]