28432625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17497}}^1$

素因数の和:17525

約数の個数: 16

約数和(自身を含む): 38215632

約数和(自身を除く): 9783007

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 17497, 87485, 227461, 437425, 1137305, 2187125, 5686525, 28432625]

約数ペア:

[(1, 28432625), (5, 5686525), (13, 2187125), (25, 1137305), (65, 437425), (125, 227461), (325, 87485), (1625, 17497)]