64623520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31069}}^1$

素因数の和:31097

約数の個数: 48

約数和(自身を含む): 164422440

約数和(自身を除く): 99798920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31069, 62138, 124276, 155345, 248552, 310690, 403897, 497104, 621380, 807794, 994208, 1242760, 1615588, 2019485, 2485520, 3231176, 4038970, 4971040, 6462352, 8077940, 12924704, 16155880, 32311760, 64623520]

約数ペア:

[(1, 64623520), (2, 32311760), (4, 16155880), (5, 12924704), (8, 8077940), (10, 6462352), (13, 4971040), (16, 4038970), (20, 3231176), (26, 2485520), (32, 2019485), (40, 1615588), (52, 1242760), (65, 994208), (80, 807794), (104, 621380), (130, 497104), (160, 403897), (208, 310690), (260, 248552), (416, 155345), (520, 124276), (1040, 62138), (2080, 31069)]