8013400

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 18860400

約数和(自身を除く): 10847000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 389, 412, 515, 778, 824, 1030, 1556, 1945, 2060, 2575, 3112, 3890, 4120, 5150, 7780, 9725, 10300, 15560, 19450, 20600, 38900, 40067, 77800, 80134, 160268, 200335, 320536, 400670, 801340, 1001675, 1602680, 2003350, 4006700, 8013400]

約数ペア:

[(1, 8013400), (2, 4006700), (4, 2003350), (5, 1602680), (8, 1001675), (10, 801340), (20, 400670), (25, 320536), (40, 200335), (50, 160268), (100, 80134), (103, 77800), (200, 40067), (206, 38900), (389, 20600), (412, 19450), (515, 15560), (778, 10300), (824, 9725), (1030, 7780), (1556, 5150), (1945, 4120), (2060, 3890), (2575, 3112)]