51246820

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3121}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 107783928

約数和(自身を除く): 56537108

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3121, 3284, 4105, 6242, 8210, 12484, 15605, 16420, 31210, 62420, 2562341, 5124682, 10249364, 12811705, 25623410, 51246820]

約数ペア:

[(1, 51246820), (2, 25623410), (4, 12811705), (5, 10249364), (10, 5124682), (20, 2562341), (821, 62420), (1642, 31210), (3121, 16420), (3284, 15605), (4105, 12484), (6242, 8210)]