4137625

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 5241600

約数和(自身を除く): 1103975

約数列:

[1, 5, 25, 79, 125, 395, 419, 1975, 2095, 9875, 10475, 33101, 52375, 165505, 827525, 4137625]

約数ペア:

[(1, 4137625), (5, 827525), (25, 165505), (79, 52375), (125, 33101), (395, 10475), (419, 9875), (1975, 2095)]