127890672020

素因数分解:

$2^2\times 5^1\times {\mathrm{4451}}^1\times {\mathrm{1436651}}^1$

素因数の和:1441111

約数の個数: 24

約数和(自身を含む): 268630937568

約数和(自身を除く): 140740265548

約数列:

[1, 2, 4, 5, 10, 20, 4451, 8902, 17804, 22255, 44510, 89020, 1436651, 2873302, 5746604, 7183255, 14366510, 28733020, 6394533601, 12789067202, 25578134404, 31972668005, 63945336010, 127890672020]

約数ペア:

[(1, 127890672020), (2, 63945336010), (4, 31972668005), (5, 25578134404), (10, 12789067202), (20, 6394533601), (4451, 28733020), (8902, 14366510), (17804, 7183255), (22255, 5746604), (44510, 2873302), (89020, 1436651)]