40420490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12671}}^1$

素因数の和:12718

約数の個数: 32

約数和(自身を含む): 82114560

約数和(自身を除く): 41694070

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 12671, 25342, 63355, 126710, 139381, 278762, 367459, 696905, 734918, 1393810, 1837295, 3674590, 4042049, 8084098, 20210245, 40420490]

約数ペア:

[(1, 40420490), (2, 20210245), (5, 8084098), (10, 4042049), (11, 3674590), (22, 1837295), (29, 1393810), (55, 734918), (58, 696905), (110, 367459), (145, 278762), (290, 139381), (319, 126710), (638, 63355), (1595, 25342), (3190, 12671)]