55311640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13691}}^1$

素因数の和:13803

約数の個数: 32

約数和(自身を含む): 125692560

約数和(自身を除く): 70380920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 13691, 27382, 54764, 68455, 109528, 136910, 273820, 547640, 1382791, 2765582, 5531164, 6913955, 11062328, 13827910, 27655820, 55311640]

約数ペア:

[(1, 55311640), (2, 27655820), (4, 13827910), (5, 11062328), (8, 6913955), (10, 5531164), (20, 2765582), (40, 1382791), (101, 547640), (202, 273820), (404, 136910), (505, 109528), (808, 68455), (1010, 54764), (2020, 27382), (4040, 13691)]