13020415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 17625600

約数和(自身を除く): 4605185

約数列:

[1, 5, 19, 23, 59, 95, 101, 115, 295, 437, 505, 1121, 1357, 1919, 2185, 2323, 5605, 5959, 6785, 9595, 11615, 25783, 29795, 44137, 113221, 128915, 137057, 220685, 566105, 685285, 2604083, 13020415]

約数ペア:

[(1, 13020415), (5, 2604083), (19, 685285), (23, 566105), (59, 220685), (95, 137057), (101, 128915), (115, 113221), (295, 44137), (437, 29795), (505, 25783), (1121, 11615), (1357, 9595), (1919, 6785), (2185, 5959), (2323, 5605)]