39421420

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1879}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 82908000

約数和(自身を除く): 43486580

約数列:

[1, 2, 4, 5, 10, 20, 1049, 1879, 2098, 3758, 4196, 5245, 7516, 9395, 10490, 18790, 20980, 37580, 1971071, 3942142, 7884284, 9855355, 19710710, 39421420]

約数ペア:

[(1, 39421420), (2, 19710710), (4, 9855355), (5, 7884284), (10, 3942142), (20, 1971071), (1049, 37580), (1879, 20980), (2098, 18790), (3758, 10490), (4196, 9395), (5245, 7516)]