69813125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{5879}}^1$

素因数の和:5918

約数の個数: 20

約数和(自身を含む): 91845600

約数和(自身を除く): 22032475

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 5879, 11875, 29395, 111701, 146975, 558505, 734875, 2792525, 3674375, 13962625, 69813125]

約数ペア:

[(1, 69813125), (5, 13962625), (19, 3674375), (25, 2792525), (95, 734875), (125, 558505), (475, 146975), (625, 111701), (2375, 29395), (5879, 11875)]