56257000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 133183440

約数和(自身を除く): 76926440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 557, 808, 1000, 1010, 1114, 2020, 2228, 2525, 2785, 4040, 4456, 5050, 5570, 10100, 11140, 12625, 13925, 20200, 22280, 25250, 27850, 50500, 55700, 56257, 69625, 101000, 111400, 112514, 139250, 225028, 278500, 281285, 450056, 557000, 562570, 1125140, 1406425, 2250280, 2812850, 5625700, 7032125, 11251400, 14064250, 28128500, 56257000]

約数ペア:

[(1, 56257000), (2, 28128500), (4, 14064250), (5, 11251400), (8, 7032125), (10, 5625700), (20, 2812850), (25, 2250280), (40, 1406425), (50, 1125140), (100, 562570), (101, 557000), (125, 450056), (200, 281285), (202, 278500), (250, 225028), (404, 139250), (500, 112514), (505, 111400), (557, 101000), (808, 69625), (1000, 56257), (1010, 55700), (1114, 50500), (2020, 27850), (2228, 25250), (2525, 22280), (2785, 20200), (4040, 13925), (4456, 12625), (5050, 11140), (5570, 10100)]