67911875

素因数分解:

$5^4\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:776

約数の個数: 20

約数和(自身を含む): 85453896

約数和(自身を除く): 17542021

約数列:

[1, 5, 25, 125, 193, 563, 625, 965, 2815, 4825, 14075, 24125, 70375, 108659, 120625, 351875, 543295, 2716475, 13582375, 67911875]

約数ペア:

[(1, 67911875), (5, 13582375), (25, 2716475), (125, 543295), (193, 351875), (563, 120625), (625, 108659), (965, 70375), (2815, 24125), (4825, 14075)]