26428750

素因数分解:

$2^1\times 5^4\times {\mathrm{21143}}^1$

素因数の和:21165

約数の個数: 20

約数和(自身を含む): 49540392

約数和(自身を除く): 23111642

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 21143, 42286, 105715, 211430, 528575, 1057150, 2642875, 5285750, 13214375, 26428750]

約数ペア:

[(1, 26428750), (2, 13214375), (5, 5285750), (10, 2642875), (25, 1057150), (50, 528575), (125, 211430), (250, 105715), (625, 42286), (1250, 21143)]