5200625

素因数分解:

$5^4\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 20

約数和(自身を含む): 6663492

約数和(自身を除く): 1462867

約数列:

[1, 5, 25, 53, 125, 157, 265, 625, 785, 1325, 3925, 6625, 8321, 19625, 33125, 41605, 98125, 208025, 1040125, 5200625]

約数ペア:

[(1, 5200625), (5, 1040125), (25, 208025), (53, 98125), (125, 41605), (157, 33125), (265, 19625), (625, 8321), (785, 6625), (1325, 3925)]