66299080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 155566080

約数和(自身を除く): 89267000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 421, 508, 620, 635, 842, 1016, 1240, 1270, 1684, 2105, 2540, 3368, 3937, 4210, 5080, 7874, 8420, 13051, 15748, 16840, 19685, 26102, 31496, 39370, 52204, 53467, 65255, 78740, 104408, 106934, 130510, 157480, 213868, 261020, 267335, 427736, 522040, 534670, 1069340, 1657477, 2138680, 3314954, 6629908, 8287385, 13259816, 16574770, 33149540, 66299080]

約数ペア:

[(1, 66299080), (2, 33149540), (4, 16574770), (5, 13259816), (8, 8287385), (10, 6629908), (20, 3314954), (31, 2138680), (40, 1657477), (62, 1069340), (124, 534670), (127, 522040), (155, 427736), (248, 267335), (254, 261020), (310, 213868), (421, 157480), (508, 130510), (620, 106934), (635, 104408), (842, 78740), (1016, 65255), (1240, 53467), (1270, 52204), (1684, 39370), (2105, 31496), (2540, 26102), (3368, 19685), (3937, 16840), (4210, 15748), (5080, 13051), (7874, 8420)]