156979120

素因数分解:

$2^4\times 5^1\times {\mathrm{1962239}}^1$

素因数の和:1962252

約数の個数: 20

約数和(自身を含む): 364976640

約数和(自身を除く): 207997520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962239, 3924478, 7848956, 9811195, 15697912, 19622390, 31395824, 39244780, 78489560, 156979120]

約数ペア:

[(1, 156979120), (2, 78489560), (4, 39244780), (5, 31395824), (8, 19622390), (10, 15697912), (16, 9811195), (20, 7848956), (40, 3924478), (80, 1962239)]