9930520

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 22435200

約数和(自身を除く): 12504680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 607, 818, 1214, 1636, 2045, 2428, 3035, 3272, 4090, 4856, 6070, 8180, 12140, 16360, 24280, 248263, 496526, 993052, 1241315, 1986104, 2482630, 4965260, 9930520]

約数ペア:

[(1, 9930520), (2, 4965260), (4, 2482630), (5, 1986104), (8, 1241315), (10, 993052), (20, 496526), (40, 248263), (409, 24280), (607, 16360), (818, 12140), (1214, 8180), (1636, 6070), (2045, 4856), (2428, 4090), (3035, 3272)]