331468240

素因数分解:

$2^4\times 5^1\times {\mathrm{4143353}}^1$

素因数の和:4143366

約数の個数: 20

約数和(自身を含む): 770663844

約数和(自身を除く): 439195604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4143353, 8286706, 16573412, 20716765, 33146824, 41433530, 66293648, 82867060, 165734120, 331468240]

約数ペア:

[(1, 331468240), (2, 165734120), (4, 82867060), (5, 66293648), (8, 41433530), (10, 33146824), (16, 20716765), (20, 16573412), (40, 8286706), (80, 4143353)]