30938125

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:918

約数の個数: 20

約数和(自身を含む): 39362400

約数和(自身を除く): 8424275

約数列:

[1, 5, 25, 59, 125, 295, 625, 839, 1475, 4195, 7375, 20975, 36875, 49501, 104875, 247505, 524375, 1237525, 6187625, 30938125]

約数ペア:

[(1, 30938125), (5, 6187625), (25, 1237525), (59, 524375), (125, 247505), (295, 104875), (625, 49501), (839, 36875), (1475, 20975), (4195, 7375)]