65407520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13187}}^1$

素因数の和:13233

約数の個数: 48

約数和(自身を含む): 159522048

約数和(自身を除く): 94114528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 13187, 26374, 52748, 65935, 105496, 131870, 210992, 263740, 408797, 421984, 527480, 817594, 1054960, 1635188, 2043985, 2109920, 3270376, 4087970, 6540752, 8175940, 13081504, 16351880, 32703760, 65407520]

約数ペア:

[(1, 65407520), (2, 32703760), (4, 16351880), (5, 13081504), (8, 8175940), (10, 6540752), (16, 4087970), (20, 3270376), (31, 2109920), (32, 2043985), (40, 1635188), (62, 1054960), (80, 817594), (124, 527480), (155, 421984), (160, 408797), (248, 263740), (310, 210992), (496, 131870), (620, 105496), (992, 65935), (1240, 52748), (2480, 26374), (4960, 13187)]