124557800

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1601}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 290522700

約数和(自身を除く): 165964900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1556, 1601, 1945, 3112, 3202, 3890, 6404, 7780, 8005, 9725, 12808, 15560, 16010, 19450, 32020, 38900, 40025, 64040, 77800, 80050, 160100, 320200, 622789, 1245578, 2491156, 3113945, 4982312, 6227890, 12455780, 15569725, 24911560, 31139450, 62278900, 124557800]

約数ペア:

[(1, 124557800), (2, 62278900), (4, 31139450), (5, 24911560), (8, 15569725), (10, 12455780), (20, 6227890), (25, 4982312), (40, 3113945), (50, 2491156), (100, 1245578), (200, 622789), (389, 320200), (778, 160100), (1556, 80050), (1601, 77800), (1945, 64040), (3112, 40025), (3202, 38900), (3890, 32020), (6404, 19450), (7780, 16010), (8005, 15560), (9725, 12808)]