65020780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 149569056

約数和(自身を除く): 84548276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 674, 877, 1348, 1685, 1754, 3370, 3508, 3707, 4385, 6740, 7414, 8770, 9647, 14828, 17540, 18535, 19294, 37070, 38588, 48235, 74140, 96470, 192940, 295549, 591098, 1182196, 1477745, 2955490, 3251039, 5910980, 6502078, 13004156, 16255195, 32510390, 65020780]

約数ペア:

[(1, 65020780), (2, 32510390), (4, 16255195), (5, 13004156), (10, 6502078), (11, 5910980), (20, 3251039), (22, 2955490), (44, 1477745), (55, 1182196), (110, 591098), (220, 295549), (337, 192940), (674, 96470), (877, 74140), (1348, 48235), (1685, 38588), (1754, 37070), (3370, 19294), (3508, 18535), (3707, 17540), (4385, 14828), (6740, 9647), (7414, 8770)]