31239380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53861}}^1$

素因数の和:53899

約数の個数: 24

約数和(自身を含む): 67866120

約数和(自身を除く): 36626740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 53861, 107722, 215444, 269305, 538610, 1077220, 1561969, 3123938, 6247876, 7809845, 15619690, 31239380]

約数ペア:

[(1, 31239380), (2, 15619690), (4, 7809845), (5, 6247876), (10, 3123938), (20, 1561969), (29, 1077220), (58, 538610), (116, 269305), (145, 215444), (290, 107722), (580, 53861)]