870836920

素因数分解:

$2^3\times 5^1\times {\mathrm{4019}}^1\times {\mathrm{5417}}^1$

素因数の和:9447

約数の個数: 32

約数和(自身を含む): 1960232400

約数和(自身を除く): 1089395480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4019, 5417, 8038, 10834, 16076, 20095, 21668, 27085, 32152, 40190, 43336, 54170, 80380, 108340, 160760, 216680, 21770923, 43541846, 87083692, 108854615, 174167384, 217709230, 435418460, 870836920]

約数ペア:

[(1, 870836920), (2, 435418460), (4, 217709230), (5, 174167384), (8, 108854615), (10, 87083692), (20, 43541846), (40, 21770923), (4019, 216680), (5417, 160760), (8038, 108340), (10834, 80380), (16076, 54170), (20095, 43336), (21668, 40190), (27085, 32152)]