251084080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 633959424

約数和(自身を除く): 382875344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 1901, 2032, 2540, 3302, 3802, 5080, 6604, 7604, 8255, 9505, 10160, 13208, 15208, 16510, 19010, 24713, 26416, 30416, 33020, 38020, 49426, 66040, 76040, 98852, 123565, 132080, 152080, 197704, 241427, 247130, 395408, 482854, 494260, 965708, 988520, 1207135, 1931416, 1977040, 2414270, 3138551, 3862832, 4828540, 6277102, 9657080, 12554204, 15692755, 19314160, 25108408, 31385510, 50216816, 62771020, 125542040, 251084080]

約数ペア:

[(1, 251084080), (2, 125542040), (4, 62771020), (5, 50216816), (8, 31385510), (10, 25108408), (13, 19314160), (16, 15692755), (20, 12554204), (26, 9657080), (40, 6277102), (52, 4828540), (65, 3862832), (80, 3138551), (104, 2414270), (127, 1977040), (130, 1931416), (208, 1207135), (254, 988520), (260, 965708), (508, 494260), (520, 482854), (635, 395408), (1016, 247130), (1040, 241427), (1270, 197704), (1651, 152080), (1901, 132080), (2032, 123565), (2540, 98852), (3302, 76040), (3802, 66040), (5080, 49426), (6604, 38020), (7604, 33020), (8255, 30416), (9505, 26416), (10160, 24713), (13208, 19010), (15208, 16510)]