157091120

素因数分解:

$2^4\times 5^1\times {\mathrm{1963639}}^1$

素因数の和:1963652

約数の個数: 20

約数和(自身を含む): 365237040

約数和(自身を除く): 208145920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963639, 3927278, 7854556, 9818195, 15709112, 19636390, 31418224, 39272780, 78545560, 157091120]

約数ペア:

[(1, 157091120), (2, 78545560), (4, 39272780), (5, 31418224), (8, 19636390), (10, 15709112), (16, 9818195), (20, 7854556), (40, 3927278), (80, 1963639)]