123899480

素因数分解:

$2^3\times 5^1\times {\mathrm{3097487}}^1$

素因数の和:3097498

約数の個数: 16

約数和(自身を含む): 278773920

約数和(自身を除く): 154874440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3097487, 6194974, 12389948, 15487435, 24779896, 30974870, 61949740, 123899480]

約数ペア:

[(1, 123899480), (2, 61949740), (4, 30974870), (5, 24779896), (8, 15487435), (10, 12389948), (20, 6194974), (40, 3097487)]