24975625

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 20

約数和(自身を含む): 31630500

約数和(自身を除く): 6654875

約数列:

[1, 5, 25, 89, 125, 445, 449, 625, 2225, 2245, 11125, 11225, 39961, 55625, 56125, 199805, 280625, 999025, 4995125, 24975625]

約数ペア:

[(1, 24975625), (5, 4995125), (25, 999025), (89, 280625), (125, 199805), (445, 56125), (449, 55625), (625, 39961), (2225, 11225), (2245, 11125)]