6394375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:820

約数の個数: 20

約数和(自身を含む): 8615992

約数和(自身を除く): 2221617

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 787, 1625, 3935, 8125, 10231, 19675, 51155, 98375, 255775, 491875, 1278875, 6394375]

約数ペア:

[(1, 6394375), (5, 1278875), (13, 491875), (25, 255775), (65, 98375), (125, 51155), (325, 19675), (625, 10231), (787, 8125), (1625, 3935)]