680569825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 948064320

約数和(自身を除く): 267494495

約数列:

[1, 5, 13, 25, 29, 65, 145, 163, 325, 377, 443, 725, 815, 1885, 2119, 2215, 4075, 4727, 5759, 9425, 10595, 11075, 12847, 23635, 28795, 52975, 61451, 64235, 72209, 118175, 143975, 167011, 307255, 321175, 361045, 835055, 938717, 1536275, 1805225, 2094061, 4175275, 4693585, 10470305, 23467925, 27222793, 52351525, 136113965, 680569825]

約数ペア:

[(1, 680569825), (5, 136113965), (13, 52351525), (25, 27222793), (29, 23467925), (65, 10470305), (145, 4693585), (163, 4175275), (325, 2094061), (377, 1805225), (443, 1536275), (725, 938717), (815, 835055), (1885, 361045), (2119, 321175), (2215, 307255), (4075, 167011), (4727, 143975), (5759, 118175), (9425, 72209), (10595, 64235), (11075, 61451), (12847, 52975), (23635, 28795)]