3971740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 8461152

約数和(自身を除く): 4489412

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2797, 5594, 11188, 13985, 27970, 55940, 198587, 397174, 794348, 992935, 1985870, 3971740]

約数ペア:

[(1, 3971740), (2, 1985870), (4, 992935), (5, 794348), (10, 397174), (20, 198587), (71, 55940), (142, 27970), (284, 13985), (355, 11188), (710, 5594), (1420, 2797)]