61129375

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2148

約数の個数: 20

約数和(自身を含む): 78050016

約数和(自身を除く): 16920641

約数列:

[1, 5, 25, 47, 125, 235, 625, 1175, 2081, 5875, 10405, 29375, 52025, 97807, 260125, 489035, 1300625, 2445175, 12225875, 61129375]

約数ペア:

[(1, 61129375), (5, 12225875), (25, 2445175), (47, 1300625), (125, 489035), (235, 260125), (625, 97807), (1175, 52025), (2081, 29375), (5875, 10405)]