40302890

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4909}}^1$

素因数の和:5737

約数の個数: 16

約数和(自身を含む): 72648360

約数和(自身を除く): 32345470

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 4909, 8210, 9818, 24545, 49090, 4030289, 8060578, 20151445, 40302890]

約数ペア:

[(1, 40302890), (2, 20151445), (5, 8060578), (10, 4030289), (821, 49090), (1642, 24545), (4105, 9818), (4909, 8210)]