139913240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26701}}^1$

素因数の和:26843

約数の個数: 32

約数和(自身を含む): 317219760

約数和(自身を除く): 177306520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 26701, 53402, 106804, 133505, 213608, 267010, 534020, 1068040, 3497831, 6995662, 13991324, 17489155, 27982648, 34978310, 69956620, 139913240]

約数ペア:

[(1, 139913240), (2, 69956620), (4, 34978310), (5, 27982648), (8, 17489155), (10, 13991324), (20, 6995662), (40, 3497831), (131, 1068040), (262, 534020), (524, 267010), (655, 213608), (1048, 133505), (1310, 106804), (2620, 53402), (5240, 26701)]