75131920

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2179}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 175167360

約数和(自身を除く): 100035440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 2179, 3448, 4310, 4358, 6896, 8620, 8716, 10895, 17240, 17432, 21790, 34480, 34864, 43580, 87160, 174320, 939149, 1878298, 3756596, 4695745, 7513192, 9391490, 15026384, 18782980, 37565960, 75131920]

約数ペア:

[(1, 75131920), (2, 37565960), (4, 18782980), (5, 15026384), (8, 9391490), (10, 7513192), (16, 4695745), (20, 3756596), (40, 1878298), (80, 939149), (431, 174320), (862, 87160), (1724, 43580), (2155, 34864), (2179, 34480), (3448, 21790), (4310, 17432), (4358, 17240), (6896, 10895), (8620, 8716)]