28776875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1184

約数の個数: 20

約数和(自身を含む): 36869448

約数和(自身を除く): 8092573

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 1123, 5125, 5615, 25625, 28075, 46043, 140375, 230215, 701875, 1151075, 5755375, 28776875]

約数ペア:

[(1, 28776875), (5, 5755375), (25, 1151075), (41, 701875), (125, 230215), (205, 140375), (625, 46043), (1025, 28075), (1123, 25625), (5125, 5615)]