78859225

素因数分解:

$5^2\times {\mathrm{631}}^1\times {\mathrm{4999}}^1$

素因数の和:5640

約数の個数: 12

約数和(自身を含む): 97960000

約数和(自身を除く): 19100775

約数列:

[1, 5, 25, 631, 3155, 4999, 15775, 24995, 124975, 3154369, 15771845, 78859225]

約数ペア:

[(1, 78859225), (5, 15771845), (25, 3154369), (631, 124975), (3155, 24995), (4999, 15775)]