8142500

素因数分解:

$2^2\times 5^4\times {\mathrm{3257}}^1$

素因数の和:3281

約数の個数: 30

約数和(自身を含む): 17811486

約数和(自身を除く): 9668986

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3257, 6514, 13028, 16285, 32570, 65140, 81425, 162850, 325700, 407125, 814250, 1628500, 2035625, 4071250, 8142500]

約数ペア:

[(1, 8142500), (2, 4071250), (4, 2035625), (5, 1628500), (10, 814250), (20, 407125), (25, 325700), (50, 162850), (100, 81425), (125, 65140), (250, 32570), (500, 16285), (625, 13028), (1250, 6514), (2500, 3257)]