66878450

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{18839}}^1$

素因数の和:18922

約数の個数: 24

約数和(自身を含む): 126152640

約数和(自身を除く): 59274190

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 18839, 37678, 94195, 188390, 470975, 941950, 1337569, 2675138, 6687845, 13375690, 33439225, 66878450]

約数ペア:

[(1, 66878450), (2, 33439225), (5, 13375690), (10, 6687845), (25, 2675138), (50, 1337569), (71, 941950), (142, 470975), (355, 188390), (710, 94195), (1775, 37678), (3550, 18839)]