85896170020

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6497441}}^1$

素因数の和:6498111

約数の個数: 24

約数和(自身を含む): 180654877368

約数和(自身を除く): 94758707348

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 6497441, 12994882, 25989764, 32487205, 64974410, 129948820, 4294808501, 8589617002, 17179234004, 21474042505, 42948085010, 85896170020]

約数ペア:

[(1, 85896170020), (2, 42948085010), (4, 21474042505), (5, 17179234004), (10, 8589617002), (20, 4294808501), (661, 129948820), (1322, 64974410), (2644, 32487205), (3305, 25989764), (6610, 12994882), (13220, 6497441)]