71930020

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5441}}^1$

素因数の和:6111

約数の個数: 24

約数和(自身を含む): 151309368

約数和(自身を除く): 79379348

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 5441, 6610, 10882, 13220, 21764, 27205, 54410, 108820, 3596501, 7193002, 14386004, 17982505, 35965010, 71930020]

約数ペア:

[(1, 71930020), (2, 35965010), (4, 17982505), (5, 14386004), (10, 7193002), (20, 3596501), (661, 108820), (1322, 54410), (2644, 27205), (3305, 21764), (5441, 13220), (6610, 10882)]