54738125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{6737}}^1$

素因数の和:6770

約数の個数: 20

約数和(自身を含む): 73673292

約数和(自身を除く): 18935167

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 6737, 8125, 33685, 87581, 168425, 437905, 842125, 2189525, 4210625, 10947625, 54738125]

約数ペア:

[(1, 54738125), (5, 10947625), (13, 4210625), (25, 2189525), (65, 842125), (125, 437905), (325, 168425), (625, 87581), (1625, 33685), (6737, 8125)]