2018630480

素因数分解:

$2^4\times 5^1\times {\mathrm{25232881}}^1$

素因数の和:25232894

約数の個数: 20

約数和(自身を含む): 4693316052

約数和(自身を除く): 2674685572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25232881, 50465762, 100931524, 126164405, 201863048, 252328810, 403726096, 504657620, 1009315240, 2018630480]

約数ペア:

[(1, 2018630480), (2, 1009315240), (4, 504657620), (5, 403726096), (8, 252328810), (10, 201863048), (16, 126164405), (20, 100931524), (40, 50465762), (80, 25232881)]