20800625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1490

約数の個数: 20

約数和(自身を含む): 27141312

約数和(自身を除く): 6340687

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1447, 2875, 7235, 14375, 33281, 36175, 166405, 180875, 832025, 904375, 4160125, 20800625]

約数ペア:

[(1, 20800625), (5, 4160125), (23, 904375), (25, 832025), (115, 180875), (125, 166405), (575, 36175), (625, 33281), (1447, 14375), (2875, 7235)]