51113750

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 40

約数和(自身を含む): 96981456

約数和(自身を除く): 45867706

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 397, 515, 625, 794, 1030, 1250, 1985, 2575, 3970, 5150, 9925, 12875, 19850, 25750, 40891, 49625, 64375, 81782, 99250, 128750, 204455, 248125, 408910, 496250, 1022275, 2044550, 5111375, 10222750, 25556875, 51113750]

約数ペア:

[(1, 51113750), (2, 25556875), (5, 10222750), (10, 5111375), (25, 2044550), (50, 1022275), (103, 496250), (125, 408910), (206, 248125), (250, 204455), (397, 128750), (515, 99250), (625, 81782), (794, 64375), (1030, 49625), (1250, 40891), (1985, 25750), (2575, 19850), (3970, 12875), (5150, 9925)]