157606420

素因数分解:

$2^2\times 5^1\times {\mathrm{7880321}}^1$

素因数の和:7880330

約数の個数: 12

約数和(自身を含む): 330973524

約数和(自身を除く): 173367104

約数列:

[1, 2, 4, 5, 10, 20, 7880321, 15760642, 31521284, 39401605, 78803210, 157606420]

約数ペア:

[(1, 157606420), (2, 78803210), (4, 39401605), (5, 31521284), (10, 15760642), (20, 7880321)]