15616940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2969}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 32931360

約数和(自身を除く): 17314420

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 2969, 5260, 5938, 11876, 14845, 29690, 59380, 780847, 1561694, 3123388, 3904235, 7808470, 15616940]

約数ペア:

[(1, 15616940), (2, 7808470), (4, 3904235), (5, 3123388), (10, 1561694), (20, 780847), (263, 59380), (526, 29690), (1052, 14845), (1315, 11876), (2630, 5938), (2969, 5260)]