78825625

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{4349}}^1$

素因数の和:4398

約数の個数: 20

約数和(自身を含む): 101920500

約数和(自身を除く): 23094875

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 3625, 4349, 18125, 21745, 108725, 126121, 543625, 630605, 2718125, 3153025, 15765125, 78825625]

約数ペア:

[(1, 78825625), (5, 15765125), (25, 3153025), (29, 2718125), (125, 630605), (145, 543625), (625, 126121), (725, 108725), (3625, 21745), (4349, 18125)]