13502980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 30320640

約数和(自身を除く): 16817660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 751, 899, 1502, 1798, 3004, 3596, 3755, 4495, 7510, 8990, 15020, 17980, 21779, 23281, 43558, 46562, 87116, 93124, 108895, 116405, 217790, 232810, 435580, 465620, 675149, 1350298, 2700596, 3375745, 6751490, 13502980]

約数ペア:

[(1, 13502980), (2, 6751490), (4, 3375745), (5, 2700596), (10, 1350298), (20, 675149), (29, 465620), (31, 435580), (58, 232810), (62, 217790), (116, 116405), (124, 108895), (145, 93124), (155, 87116), (290, 46562), (310, 43558), (580, 23281), (620, 21779), (751, 17980), (899, 15020), (1502, 8990), (1798, 7510), (3004, 4495), (3596, 3755)]