331396180

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{16229}}^1$

素因数の和:17259

約数の個数: 24

約数和(自身を含む): 696656520

約数和(自身を除く): 365260340

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 16229, 20420, 32458, 64916, 81145, 162290, 324580, 16569809, 33139618, 66279236, 82849045, 165698090, 331396180]

約数ペア:

[(1, 331396180), (2, 165698090), (4, 82849045), (5, 66279236), (10, 33139618), (20, 16569809), (1021, 324580), (2042, 162290), (4084, 81145), (5105, 64916), (10210, 32458), (16229, 20420)]