64812625

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{6247}}^1$

素因数の和:6345

約数の個数: 16

約数和(自身を含む): 81873792

約数和(自身を除く): 17061167

約数列:

[1, 5, 25, 83, 125, 415, 2075, 6247, 10375, 31235, 156175, 518501, 780875, 2592505, 12962525, 64812625]

約数ペア:

[(1, 64812625), (5, 12962525), (25, 2592505), (83, 780875), (125, 518501), (415, 156175), (2075, 31235), (6247, 10375)]