70004375

素因数分解:

$5^4\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16028

約数の個数: 20

約数和(自身を含む): 99980496

約数和(自身を除く): 29976121

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 16001, 80005, 112007, 400025, 560035, 2000125, 2800175, 10000625, 14000875, 70004375]

約数ペア:

[(1, 70004375), (5, 14000875), (7, 10000625), (25, 2800175), (35, 2000125), (125, 560035), (175, 400025), (625, 112007), (875, 80005), (4375, 16001)]