248325625

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{4787}}^1$

素因数の和:4890

約数の個数: 20

約数和(自身を含む): 314111952

約数和(自身を除く): 65786327

約数列:

[1, 5, 25, 83, 125, 415, 625, 2075, 4787, 10375, 23935, 51875, 119675, 397321, 598375, 1986605, 2991875, 9933025, 49665125, 248325625]

約数ペア:

[(1, 248325625), (5, 49665125), (25, 9933025), (83, 2991875), (125, 1986605), (415, 598375), (625, 397321), (2075, 119675), (4787, 51875), (10375, 23935)]