80557685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39979}}^1$

素因数の和:40028

約数の個数: 16

約数和(自身を含む): 107466240

約数和(自身を除く): 26908555

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 39979, 199895, 519727, 1239349, 2598635, 6196745, 16111537, 80557685]

約数ペア:

[(1, 80557685), (5, 16111537), (13, 6196745), (31, 2598635), (65, 1239349), (155, 519727), (403, 199895), (2015, 39979)]