28016875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1992

約数の個数: 20

約数和(自身を含む): 36550800

約数和(自身を除く): 8533925

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 1949, 2875, 9745, 14375, 44827, 48725, 224135, 243625, 1120675, 1218125, 5603375, 28016875]

約数ペア:

[(1, 28016875), (5, 5603375), (23, 1218125), (25, 1120675), (115, 243625), (125, 224135), (575, 48725), (625, 44827), (1949, 14375), (2875, 9745)]