22025000

素因数分解:

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

素因数の和:912

約数の個数: 48

約数和(自身を含む): 51676380

約数和(自身を除く): 29651380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 881, 1000, 1250, 1762, 2500, 3125, 3524, 4405, 5000, 6250, 7048, 8810, 12500, 17620, 22025, 25000, 35240, 44050, 88100, 110125, 176200, 220250, 440500, 550625, 881000, 1101250, 2202500, 2753125, 4405000, 5506250, 11012500, 22025000]

約数ペア:

[(1, 22025000), (2, 11012500), (4, 5506250), (5, 4405000), (8, 2753125), (10, 2202500), (20, 1101250), (25, 881000), (40, 550625), (50, 440500), (100, 220250), (125, 176200), (200, 110125), (250, 88100), (500, 44050), (625, 35240), (881, 25000), (1000, 22025), (1250, 17620), (1762, 12500), (2500, 8810), (3125, 7048), (3524, 6250), (4405, 5000)]