61964540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3967}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 143990784

約数和(自身を除く): 82026244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 3967, 7810, 7934, 15620, 15868, 19835, 39670, 43637, 79340, 87274, 174548, 218185, 281657, 436370, 563314, 872740, 1126628, 1408285, 2816570, 3098227, 5633140, 6196454, 12392908, 15491135, 30982270, 61964540]

約数ペア:

[(1, 61964540), (2, 30982270), (4, 15491135), (5, 12392908), (10, 6196454), (11, 5633140), (20, 3098227), (22, 2816570), (44, 1408285), (55, 1126628), (71, 872740), (110, 563314), (142, 436370), (220, 281657), (284, 218185), (355, 174548), (710, 87274), (781, 79340), (1420, 43637), (1562, 39670), (3124, 19835), (3905, 15868), (3967, 15620), (7810, 7934)]