15555020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 20853940

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, 2063, 3770, 4126, 7540, 8252, 10315, 20630, 26819, 41260, 53638, 59827, 107276, 119654, 134095, 239308, 268190, 299135, 536380, 598270, 777751, 1196540, 1555502, 3111004, 3888755, 7777510, 15555020]

約数ペア:

[(1, 15555020), (2, 7777510), (4, 3888755), (5, 3111004), (10, 1555502), (13, 1196540), (20, 777751), (26, 598270), (29, 536380), (52, 299135), (58, 268190), (65, 239308), (116, 134095), (130, 119654), (145, 107276), (260, 59827), (290, 53638), (377, 41260), (580, 26819), (754, 20630), (1508, 10315), (1885, 8252), (2063, 7540), (3770, 4126)]