88968920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{11177}}^1$

素因数の和:11387

約数の個数: 32

約数和(自身を含む): 201204000

約数和(自身を除く): 112235080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 11177, 22354, 44708, 55885, 89416, 111770, 223540, 447080, 2224223, 4448446, 8896892, 11121115, 17793784, 22242230, 44484460, 88968920]

約数ペア:

[(1, 88968920), (2, 44484460), (4, 22242230), (5, 17793784), (8, 11121115), (10, 8896892), (20, 4448446), (40, 2224223), (199, 447080), (398, 223540), (796, 111770), (995, 89416), (1592, 55885), (1990, 44708), (3980, 22354), (7960, 11177)]