42347180

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2579}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 89071920

約数和(自身を除く): 46724740

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 2579, 3284, 4105, 5158, 8210, 10316, 12895, 16420, 25790, 51580, 2117359, 4234718, 8469436, 10586795, 21173590, 42347180]

約数ペア:

[(1, 42347180), (2, 21173590), (4, 10586795), (5, 8469436), (10, 4234718), (20, 2117359), (821, 51580), (1642, 25790), (2579, 16420), (3284, 12895), (4105, 10316), (5158, 8210)]