80523400

素因数分解:

$2^3\times 5^2\times {\mathrm{457}}^1\times {\mathrm{881}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 187839540

約数和(自身を除く): 107316140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 457, 881, 914, 1762, 1828, 2285, 3524, 3656, 4405, 4570, 7048, 8810, 9140, 11425, 17620, 18280, 22025, 22850, 35240, 44050, 45700, 88100, 91400, 176200, 402617, 805234, 1610468, 2013085, 3220936, 4026170, 8052340, 10065425, 16104680, 20130850, 40261700, 80523400]

約数ペア:

[(1, 80523400), (2, 40261700), (4, 20130850), (5, 16104680), (8, 10065425), (10, 8052340), (20, 4026170), (25, 3220936), (40, 2013085), (50, 1610468), (100, 805234), (200, 402617), (457, 176200), (881, 91400), (914, 88100), (1762, 45700), (1828, 44050), (2285, 35240), (3524, 22850), (3656, 22025), (4405, 18280), (4570, 17620), (7048, 11425), (8810, 9140)]