86957060

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{11177}}^1$

素因数の和:11575

約数の個数: 24

約数和(自身を含む): 183095640

約数和(自身を除く): 96138580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 11177, 22354, 44708, 55885, 111770, 223540, 4347853, 8695706, 17391412, 21739265, 43478530, 86957060]

約数ペア:

[(1, 86957060), (2, 43478530), (4, 21739265), (5, 17391412), (10, 8695706), (20, 4347853), (389, 223540), (778, 111770), (1556, 55885), (1945, 44708), (3890, 22354), (7780, 11177)]