2012288900

素因数分解:

$2^2\times 5^2\times {\mathrm{1021}}^1\times {\mathrm{19709}}^1$

素因数の和:20744

約数の個数: 36

約数和(自身を含む): 4371165540

約数和(自身を除く): 2358876640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1021, 2042, 4084, 5105, 10210, 19709, 20420, 25525, 39418, 51050, 78836, 98545, 102100, 197090, 394180, 492725, 985450, 1970900, 20122889, 40245778, 80491556, 100614445, 201228890, 402457780, 503072225, 1006144450, 2012288900]

約数ペア:

[(1, 2012288900), (2, 1006144450), (4, 503072225), (5, 402457780), (10, 201228890), (20, 100614445), (25, 80491556), (50, 40245778), (100, 20122889), (1021, 1970900), (2042, 985450), (4084, 492725), (5105, 394180), (10210, 197090), (19709, 102100), (20420, 98545), (25525, 78836), (39418, 51050)]