858520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 2108160

約数和(自身を除く): 1249640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 169, 254, 260, 338, 508, 520, 635, 676, 845, 1016, 1270, 1352, 1651, 1690, 2540, 3302, 3380, 5080, 6604, 6760, 8255, 13208, 16510, 21463, 33020, 42926, 66040, 85852, 107315, 171704, 214630, 429260, 858520]

約数ペア:

[(1, 858520), (2, 429260), (4, 214630), (5, 171704), (8, 107315), (10, 85852), (13, 66040), (20, 42926), (26, 33020), (40, 21463), (52, 16510), (65, 13208), (104, 8255), (127, 6760), (130, 6604), (169, 5080), (254, 3380), (260, 3302), (338, 2540), (508, 1690), (520, 1651), (635, 1352), (676, 1270), (845, 1016)]