7943480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 18131040

約数和(自身を除く): 10187560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2797, 2840, 5594, 11188, 13985, 22376, 27970, 55940, 111880, 198587, 397174, 794348, 992935, 1588696, 1985870, 3971740, 7943480]

約数ペア:

[(1, 7943480), (2, 3971740), (4, 1985870), (5, 1588696), (8, 992935), (10, 794348), (20, 397174), (40, 198587), (71, 111880), (142, 55940), (284, 27970), (355, 22376), (568, 13985), (710, 11188), (1420, 5594), (2797, 2840)]