40894010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 78300432

約数和(自身を除く): 37406422

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 293, 586, 821, 1465, 1642, 2930, 4105, 4981, 8210, 9962, 13957, 24905, 27914, 49810, 69785, 139570, 240553, 481106, 1202765, 2405530, 4089401, 8178802, 20447005, 40894010]

約数ペア:

[(1, 40894010), (2, 20447005), (5, 8178802), (10, 4089401), (17, 2405530), (34, 1202765), (85, 481106), (170, 240553), (293, 139570), (586, 69785), (821, 49810), (1465, 27914), (1642, 24905), (2930, 13957), (4105, 9962), (4981, 8210)]