81972200

素因数分解:

$2^3\times 5^2\times {\mathrm{409861}}^1$

素因数の和:409877

約数の個数: 24

約数和(自身を含む): 190585830

約数和(自身を除く): 108613630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409861, 819722, 1639444, 2049305, 3278888, 4098610, 8197220, 10246525, 16394440, 20493050, 40986100, 81972200]

約数ペア:

[(1, 81972200), (2, 40986100), (4, 20493050), (5, 16394440), (8, 10246525), (10, 8197220), (20, 4098610), (25, 3278888), (40, 2049305), (50, 1639444), (100, 819722), (200, 409861)]