8425400

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 19827600

約数和(自身を除く): 11402200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 409, 412, 515, 818, 824, 1030, 1636, 2045, 2060, 2575, 3272, 4090, 4120, 5150, 8180, 10225, 10300, 16360, 20450, 20600, 40900, 42127, 81800, 84254, 168508, 210635, 337016, 421270, 842540, 1053175, 1685080, 2106350, 4212700, 8425400]

約数ペア:

[(1, 8425400), (2, 4212700), (4, 2106350), (5, 1685080), (8, 1053175), (10, 842540), (20, 421270), (25, 337016), (40, 210635), (50, 168508), (100, 84254), (103, 81800), (200, 42127), (206, 40900), (409, 20600), (412, 20450), (515, 16360), (818, 10300), (824, 10225), (1030, 8180), (1636, 5150), (2045, 4120), (2060, 4090), (2575, 3272)]