86486875

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2040

約数の個数: 20

約数和(自身を含む): 109652400

約数和(自身を除く): 23165525

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 1949, 8875, 9745, 44375, 48725, 138379, 243625, 691895, 1218125, 3459475, 17297375, 86486875]

約数ペア:

[(1, 86486875), (5, 17297375), (25, 3459475), (71, 1218125), (125, 691895), (355, 243625), (625, 138379), (1775, 48725), (1949, 44375), (8875, 9745)]