28821875

素因数分解:

$5^5\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 37685088

約数和(自身を除く): 8863213

約数列:

[1, 5, 23, 25, 115, 125, 401, 575, 625, 2005, 2875, 3125, 9223, 10025, 14375, 46115, 50125, 71875, 230575, 250625, 1152875, 1253125, 5764375, 28821875]

約数ペア:

[(1, 28821875), (5, 5764375), (23, 1253125), (25, 1152875), (115, 250625), (125, 230575), (401, 71875), (575, 50125), (625, 46115), (2005, 14375), (2875, 10025), (3125, 9223)]