15966875

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:512

約数の個数: 20

約数和(自身を含む): 20337240

約数和(自身を除く): 4370365

約数列:

[1, 5, 25, 59, 125, 295, 433, 625, 1475, 2165, 7375, 10825, 25547, 36875, 54125, 127735, 270625, 638675, 3193375, 15966875]

約数ペア:

[(1, 15966875), (5, 3193375), (25, 638675), (59, 270625), (125, 127735), (295, 54125), (433, 36875), (625, 25547), (1475, 10825), (2165, 7375)]