7952620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 18275040

約数和(自身を除く): 10322420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 419, 730, 838, 949, 1460, 1676, 1898, 2095, 3796, 4190, 4745, 5447, 8380, 9490, 10894, 18980, 21788, 27235, 30587, 54470, 61174, 108940, 122348, 152935, 305870, 397631, 611740, 795262, 1590524, 1988155, 3976310, 7952620]

約数ペア:

[(1, 7952620), (2, 3976310), (4, 1988155), (5, 1590524), (10, 795262), (13, 611740), (20, 397631), (26, 305870), (52, 152935), (65, 122348), (73, 108940), (130, 61174), (146, 54470), (260, 30587), (292, 27235), (365, 21788), (419, 18980), (730, 10894), (838, 9490), (949, 8380), (1460, 5447), (1676, 4745), (1898, 4190), (2095, 3796)]