12291875

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 20

約数和(自身を含む): 15632496

約数和(自身を除く): 3340621

約数列:

[1, 5, 25, 71, 125, 277, 355, 625, 1385, 1775, 6925, 8875, 19667, 34625, 44375, 98335, 173125, 491675, 2458375, 12291875]

約数ペア:

[(1, 12291875), (5, 2458375), (25, 491675), (71, 173125), (125, 98335), (277, 44375), (355, 34625), (625, 19667), (1385, 8875), (1775, 6925)]