28045625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:1994

約数の個数: 20

約数和(自身を含む): 36588288

約数和(自身を除く): 8542663

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1951, 2875, 9755, 14375, 44873, 48775, 224365, 243875, 1121825, 1219375, 5609125, 28045625]

約数ペア:

[(1, 28045625), (5, 5609125), (23, 1219375), (25, 1121825), (115, 243875), (125, 224365), (575, 48775), (625, 44873), (1951, 14375), (2875, 9755)]