4395625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:574

約数の個数: 20

約数和(自身を含む): 5926228

約数和(自身を除く): 1530603

約数列:

[1, 5, 13, 25, 65, 125, 325, 541, 625, 1625, 2705, 7033, 8125, 13525, 35165, 67625, 175825, 338125, 879125, 4395625]

約数ペア:

[(1, 4395625), (5, 879125), (13, 338125), (25, 175825), (65, 67625), (125, 35165), (325, 13525), (541, 8125), (625, 7033), (1625, 2705)]