1538156920

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{37663}}^1$

素因数の和:38695

約数の個数: 32

約数和(自身を含む): 3464334720

約数和(自身を除く): 1926177800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 4084, 5105, 8168, 10210, 20420, 37663, 40840, 75326, 150652, 188315, 301304, 376630, 753260, 1506520, 38453923, 76907846, 153815692, 192269615, 307631384, 384539230, 769078460, 1538156920]

約数ペア:

[(1, 1538156920), (2, 769078460), (4, 384539230), (5, 307631384), (8, 192269615), (10, 153815692), (20, 76907846), (40, 38453923), (1021, 1506520), (2042, 753260), (4084, 376630), (5105, 301304), (8168, 188315), (10210, 150652), (20420, 75326), (37663, 40840)]