25947500

素因数分解:

$2^2\times 5^4\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 57862728

約数和(自身を除く): 31915228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 107, 125, 194, 214, 250, 388, 428, 485, 500, 535, 625, 970, 1070, 1250, 1940, 2140, 2425, 2500, 2675, 4850, 5350, 9700, 10379, 10700, 12125, 13375, 20758, 24250, 26750, 41516, 48500, 51895, 53500, 60625, 66875, 103790, 121250, 133750, 207580, 242500, 259475, 267500, 518950, 1037900, 1297375, 2594750, 5189500, 6486875, 12973750, 25947500]

約数ペア:

[(1, 25947500), (2, 12973750), (4, 6486875), (5, 5189500), (10, 2594750), (20, 1297375), (25, 1037900), (50, 518950), (97, 267500), (100, 259475), (107, 242500), (125, 207580), (194, 133750), (214, 121250), (250, 103790), (388, 66875), (428, 60625), (485, 53500), (500, 51895), (535, 48500), (625, 41516), (970, 26750), (1070, 24250), (1250, 20758), (1940, 13375), (2140, 12125), (2425, 10700), (2500, 10379), (2675, 9700), (4850, 5350)]