826628980

素因数分解:

$2^2\times 5^1\times {\mathrm{2969}}^1\times {\mathrm{13921}}^1$

素因数の和:16899

約数の個数: 24

約数和(自身を含む): 1736630280

約数和(自身を除く): 910001300

約数列:

[1, 2, 4, 5, 10, 20, 2969, 5938, 11876, 13921, 14845, 27842, 29690, 55684, 59380, 69605, 139210, 278420, 41331449, 82662898, 165325796, 206657245, 413314490, 826628980]

約数ペア:

[(1, 826628980), (2, 413314490), (4, 206657245), (5, 165325796), (10, 82662898), (20, 41331449), (2969, 278420), (5938, 139210), (11876, 69605), (13921, 59380), (14845, 55684), (27842, 29690)]