40925000

素因数分解:

$2^3\times 5^5\times {\mathrm{1637}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 95970420

約数和(自身を除く): 55045420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1637, 2500, 3125, 3274, 5000, 6250, 6548, 8185, 12500, 13096, 16370, 25000, 32740, 40925, 65480, 81850, 163700, 204625, 327400, 409250, 818500, 1023125, 1637000, 2046250, 4092500, 5115625, 8185000, 10231250, 20462500, 40925000]

約数ペア:

[(1, 40925000), (2, 20462500), (4, 10231250), (5, 8185000), (8, 5115625), (10, 4092500), (20, 2046250), (25, 1637000), (40, 1023125), (50, 818500), (100, 409250), (125, 327400), (200, 204625), (250, 163700), (500, 81850), (625, 65480), (1000, 40925), (1250, 32740), (1637, 25000), (2500, 16370), (3125, 13096), (3274, 12500), (5000, 8185), (6250, 6548)]