64472180

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9739}}^1$

素因数の和:10079

約数の個数: 24

約数和(自身を含む): 135814560

約数和(自身を除く): 71342380

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 9739, 19478, 38956, 48695, 97390, 194780, 3223609, 6447218, 12894436, 16118045, 32236090, 64472180]

約数ペア:

[(1, 64472180), (2, 32236090), (4, 16118045), (5, 12894436), (10, 6447218), (20, 3223609), (331, 194780), (662, 97390), (1324, 48695), (1655, 38956), (3310, 19478), (6620, 9739)]