18385625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1322

約数の個数: 20

約数和(自身を含む): 23992320

約数和(自身を除く): 5606695

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1279, 2875, 6395, 14375, 29417, 31975, 147085, 159875, 735425, 799375, 3677125, 18385625]

約数ペア:

[(1, 18385625), (5, 3677125), (23, 799375), (25, 735425), (115, 159875), (125, 147085), (575, 31975), (625, 29417), (1279, 14375), (2875, 6395)]