24777220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 56412720

約数和(自身を除く): 31635500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 409, 466, 818, 932, 1165, 1636, 2045, 2330, 3029, 4090, 4660, 5317, 6058, 8180, 10634, 12116, 15145, 21268, 26585, 30290, 53170, 60580, 95297, 106340, 190594, 381188, 476485, 952970, 1238861, 1905940, 2477722, 4955444, 6194305, 12388610, 24777220]

約数ペア:

[(1, 24777220), (2, 12388610), (4, 6194305), (5, 4955444), (10, 2477722), (13, 1905940), (20, 1238861), (26, 952970), (52, 476485), (65, 381188), (130, 190594), (233, 106340), (260, 95297), (409, 60580), (466, 53170), (818, 30290), (932, 26585), (1165, 21268), (1636, 15145), (2045, 12116), (2330, 10634), (3029, 8180), (4090, 6058), (4660, 5317)]