81422500

素因数分解:

$2^2\times 5^4\times {\mathrm{32569}}^1$

素因数の和:32593

約数の個数: 30

約数和(自身を含む): 178060190

約数和(自身を除く): 96637690

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 32569, 65138, 130276, 162845, 325690, 651380, 814225, 1628450, 3256900, 4071125, 8142250, 16284500, 20355625, 40711250, 81422500]

約数ペア:

[(1, 81422500), (2, 40711250), (4, 20355625), (5, 16284500), (10, 8142250), (20, 4071125), (25, 3256900), (50, 1628450), (100, 814225), (125, 651380), (250, 325690), (500, 162845), (625, 130276), (1250, 65138), (2500, 32569)]