24977500

素因数分解:

$2^2\times 5^4\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 60

約数和(自身を含む): 55719664

約数和(自身を除く): 30742164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 103, 125, 194, 206, 250, 388, 412, 485, 500, 515, 625, 970, 1030, 1250, 1940, 2060, 2425, 2500, 2575, 4850, 5150, 9700, 9991, 10300, 12125, 12875, 19982, 24250, 25750, 39964, 48500, 49955, 51500, 60625, 64375, 99910, 121250, 128750, 199820, 242500, 249775, 257500, 499550, 999100, 1248875, 2497750, 4995500, 6244375, 12488750, 24977500]

約数ペア:

[(1, 24977500), (2, 12488750), (4, 6244375), (5, 4995500), (10, 2497750), (20, 1248875), (25, 999100), (50, 499550), (97, 257500), (100, 249775), (103, 242500), (125, 199820), (194, 128750), (206, 121250), (250, 99910), (388, 64375), (412, 60625), (485, 51500), (500, 49955), (515, 48500), (625, 39964), (970, 25750), (1030, 24250), (1250, 19982), (1940, 12875), (2060, 12125), (2425, 10300), (2500, 9991), (2575, 9700), (4850, 5150)]