68700580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13907}}^1$

素因数の和:13948

約数の個数: 48

約数和(自身を含む): 163558080

約数和(自身を除く): 94857500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13907, 27814, 55628, 69535, 139070, 180791, 264233, 278140, 361582, 528466, 723164, 903955, 1056932, 1321165, 1807910, 2642330, 3435029, 3615820, 5284660, 6870058, 13740116, 17175145, 34350290, 68700580]

約数ペア:

[(1, 68700580), (2, 34350290), (4, 17175145), (5, 13740116), (10, 6870058), (13, 5284660), (19, 3615820), (20, 3435029), (26, 2642330), (38, 1807910), (52, 1321165), (65, 1056932), (76, 903955), (95, 723164), (130, 528466), (190, 361582), (247, 278140), (260, 264233), (380, 180791), (494, 139070), (988, 69535), (1235, 55628), (2470, 27814), (4940, 13907)]