4006700

素因数分解:

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

素因数の和:506

約数の個数: 36

約数和(自身を含む): 8801520

約数和(自身を除く): 4794820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 389, 412, 515, 778, 1030, 1556, 1945, 2060, 2575, 3890, 5150, 7780, 9725, 10300, 19450, 38900, 40067, 80134, 160268, 200335, 400670, 801340, 1001675, 2003350, 4006700]

約数ペア:

[(1, 4006700), (2, 2003350), (4, 1001675), (5, 801340), (10, 400670), (20, 200335), (25, 160268), (50, 80134), (100, 40067), (103, 38900), (206, 19450), (389, 10300), (412, 9725), (515, 7780), (778, 5150), (1030, 3890), (1556, 2575), (1945, 2060)]