870839740

素因数分解:

$2^2\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{21481}}^1$

素因数の和:23517

約数の個数: 24

約数和(自身を含む): 1829750832

約数和(自身を除く): 958911092

約数列:

[1, 2, 4, 5, 10, 20, 2027, 4054, 8108, 10135, 20270, 21481, 40540, 42962, 85924, 107405, 214810, 429620, 43541987, 87083974, 174167948, 217709935, 435419870, 870839740]

約数ペア:

[(1, 870839740), (2, 435419870), (4, 217709935), (5, 174167948), (10, 87083974), (20, 43541987), (2027, 429620), (4054, 214810), (8108, 107405), (10135, 85924), (20270, 42962), (21481, 40540)]