31117580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 48

約数和(自身を含む): 72817920

約数和(自身を除く): 41700340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 4127, 7540, 8254, 16508, 20635, 41270, 53651, 82540, 107302, 119683, 214604, 239366, 268255, 478732, 536510, 598415, 1073020, 1196830, 1555879, 2393660, 3111758, 6223516, 7779395, 15558790, 31117580]

約数ペア:

[(1, 31117580), (2, 15558790), (4, 7779395), (5, 6223516), (10, 3111758), (13, 2393660), (20, 1555879), (26, 1196830), (29, 1073020), (52, 598415), (58, 536510), (65, 478732), (116, 268255), (130, 239366), (145, 214604), (260, 119683), (290, 107302), (377, 82540), (580, 53651), (754, 41270), (1508, 20635), (1885, 16508), (3770, 8254), (4127, 7540)]