2017650125

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{204319}}^1$

素因数の和:204413

約数の個数: 16

約数和(自身を含む): 2549913600

約数和(自身を除く): 532263475

約数列:

[1, 5, 25, 79, 125, 395, 1975, 9875, 204319, 1021595, 5107975, 16141201, 25539875, 80706005, 403530025, 2017650125]

約数ペア:

[(1, 2017650125), (5, 403530025), (25, 80706005), (79, 25539875), (125, 16141201), (395, 5107975), (1975, 1021595), (9875, 204319)]