157219120

素因数分解:

$2^4\times 5^1\times {\mathrm{1965239}}^1$

素因数の和:1965252

約数の個数: 20

約数和(自身を含む): 365534640

約数和(自身を除く): 208315520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965239, 3930478, 7860956, 9826195, 15721912, 19652390, 31443824, 39304780, 78609560, 157219120]

約数ペア:

[(1, 157219120), (2, 78609560), (4, 39304780), (5, 31443824), (8, 19652390), (10, 15721912), (16, 9826195), (20, 7860956), (40, 3930478), (80, 1965239)]