2005360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3601

約数の個数: 40

約数和(自身を含む): 5330016

約数和(自身を除く): 3324656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3581, 7162, 14324, 17905, 25067, 28648, 35810, 50134, 57296, 71620, 100268, 125335, 143240, 200536, 250670, 286480, 401072, 501340, 1002680, 2005360]

約数ペア:

[(1, 2005360), (2, 1002680), (4, 501340), (5, 401072), (7, 286480), (8, 250670), (10, 200536), (14, 143240), (16, 125335), (20, 100268), (28, 71620), (35, 57296), (40, 50134), (56, 35810), (70, 28648), (80, 25067), (112, 17905), (140, 14324), (280, 7162), (560, 3581)]