51815600

素因数分解:

$2^4\times 5^2\times {\mathrm{129539}}^1$

素因数の和:129557

約数の個数: 30

約数和(自身を含む): 124487940

約数和(自身を除く): 72672340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129539, 259078, 518156, 647695, 1036312, 1295390, 2072624, 2590780, 3238475, 5181560, 6476950, 10363120, 12953900, 25907800, 51815600]

約数ペア:

[(1, 51815600), (2, 25907800), (4, 12953900), (5, 10363120), (8, 6476950), (10, 5181560), (16, 3238475), (20, 2590780), (25, 2072624), (40, 1295390), (50, 1036312), (80, 647695), (100, 518156), (200, 259078), (400, 129539)]