8000900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4244

約数の個数: 36

約数和(自身を含む): 18280080

約数和(自身を除く): 10279180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 4211, 8422, 16844, 21055, 42110, 80009, 84220, 105275, 160018, 210550, 320036, 400045, 421100, 800090, 1600180, 2000225, 4000450, 8000900]

約数ペア:

[(1, 8000900), (2, 4000450), (4, 2000225), (5, 1600180), (10, 800090), (19, 421100), (20, 400045), (25, 320036), (38, 210550), (50, 160018), (76, 105275), (95, 84220), (100, 80009), (190, 42110), (380, 21055), (475, 16844), (950, 8422), (1900, 4211)]