12520390

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{21221}}^1$

素因数の和:21287

約数の個数: 16

約数和(自身を含む): 22919760

約数和(自身を除く): 10399370

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 21221, 42442, 106105, 212210, 1252039, 2504078, 6260195, 12520390]

約数ペア:

[(1, 12520390), (2, 6260195), (5, 2504078), (10, 1252039), (59, 212210), (118, 106105), (295, 42442), (590, 21221)]