28904800

素因数分解:

$2^5\times 5^2\times {\mathrm{36131}}^1$

素因数の和:36151

約数の個数: 36

約数和(自身を含む): 70565796

約数和(自身を除く): 41660996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 36131, 72262, 144524, 180655, 289048, 361310, 578096, 722620, 903275, 1156192, 1445240, 1806550, 2890480, 3613100, 5780960, 7226200, 14452400, 28904800]

約数ペア:

[(1, 28904800), (2, 14452400), (4, 7226200), (5, 5780960), (8, 3613100), (10, 2890480), (16, 1806550), (20, 1445240), (25, 1156192), (32, 903275), (40, 722620), (50, 578096), (80, 361310), (100, 289048), (160, 180655), (200, 144524), (400, 72262), (800, 36131)]