2019620920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691651}}^1$

素因数の和:691735

約数の個数: 32

約数和(自身を含む): 4606402320

約数和(自身を除く): 2586781400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 691651, 1383302, 2766604, 3458255, 5533208, 6916510, 13833020, 27666040, 50490523, 100981046, 201962092, 252452615, 403924184, 504905230, 1009810460, 2019620920]

約数ペア:

[(1, 2019620920), (2, 1009810460), (4, 504905230), (5, 403924184), (8, 252452615), (10, 201962092), (20, 100981046), (40, 50490523), (73, 27666040), (146, 13833020), (292, 6916510), (365, 5533208), (584, 3458255), (730, 2766604), (1460, 1383302), (2920, 691651)]