20172500

素因数分解:

$2^2\times 5^4\times {\mathrm{8069}}^1$

素因数の和:8093

約数の個数: 30

約数和(自身を含む): 44118690

約数和(自身を除く): 23946190

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8069, 16138, 32276, 40345, 80690, 161380, 201725, 403450, 806900, 1008625, 2017250, 4034500, 5043125, 10086250, 20172500]

約数ペア:

[(1, 20172500), (2, 10086250), (4, 5043125), (5, 4034500), (10, 2017250), (20, 1008625), (25, 806900), (50, 403450), (100, 201725), (125, 161380), (250, 80690), (500, 40345), (625, 32276), (1250, 16138), (2500, 8069)]