51254900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7219}}^1$

素因数の和:7304

約数の個数: 36

約数和(自身を含む): 112805280

約数和(自身を除く): 61550380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 7219, 14438, 28876, 36095, 72190, 144380, 180475, 360950, 512549, 721900, 1025098, 2050196, 2562745, 5125490, 10250980, 12813725, 25627450, 51254900]

約数ペア:

[(1, 51254900), (2, 25627450), (4, 12813725), (5, 10250980), (10, 5125490), (20, 2562745), (25, 2050196), (50, 1025098), (71, 721900), (100, 512549), (142, 360950), (284, 180475), (355, 144380), (710, 72190), (1420, 36095), (1775, 28876), (3550, 14438), (7100, 7219)]