87651875

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{2377}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 111433080

約数和(自身を除く): 23781205

約数列:

[1, 5, 25, 59, 125, 295, 625, 1475, 2377, 7375, 11885, 36875, 59425, 140243, 297125, 701215, 1485625, 3506075, 17530375, 87651875]

約数ペア:

[(1, 87651875), (5, 17530375), (25, 3506075), (59, 1485625), (125, 701215), (295, 297125), (625, 140243), (1475, 59425), (2377, 36875), (7375, 11885)]