168441040

素因数分解:

$2^4\times 5^1\times {\mathrm{2105513}}^1$

素因数の和:2105526

約数の個数: 20

約数和(自身を含む): 391625604

約数和(自身を除く): 223184564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2105513, 4211026, 8422052, 10527565, 16844104, 21055130, 33688208, 42110260, 84220520, 168441040]

約数ペア:

[(1, 168441040), (2, 84220520), (4, 42110260), (5, 33688208), (8, 21055130), (10, 16844104), (16, 10527565), (20, 8422052), (40, 4211026), (80, 2105513)]