86551420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 193354560

約数和(自身を除く): 106803140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 277, 340, 554, 919, 1108, 1385, 1838, 2770, 3676, 4595, 4709, 5540, 9190, 9418, 15623, 18380, 18836, 23545, 31246, 47090, 62492, 78115, 94180, 156230, 254563, 312460, 509126, 1018252, 1272815, 2545630, 4327571, 5091260, 8655142, 17310284, 21637855, 43275710, 86551420]

約数ペア:

[(1, 86551420), (2, 43275710), (4, 21637855), (5, 17310284), (10, 8655142), (17, 5091260), (20, 4327571), (34, 2545630), (68, 1272815), (85, 1018252), (170, 509126), (277, 312460), (340, 254563), (554, 156230), (919, 94180), (1108, 78115), (1385, 62492), (1838, 47090), (2770, 31246), (3676, 23545), (4595, 18836), (4709, 18380), (5540, 15623), (9190, 9418)]