158316790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{200401}}^1$

素因数の和:200487

約数の個数: 16

約数和(自身を含む): 288578880

約数和(自身を除く): 130262090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 200401, 400802, 1002005, 2004010, 15831679, 31663358, 79158395, 158316790]

約数ペア:

[(1, 158316790), (2, 79158395), (5, 31663358), (10, 15831679), (79, 2004010), (158, 1002005), (395, 400802), (790, 200401)]