201380080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228841}}^1$

素因数の和:228865

約数の個数: 40

約数和(自身を含む): 510775344

約数和(自身を除く): 309395264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228841, 457682, 915364, 1144205, 1830728, 2288410, 2517251, 3661456, 4576820, 5034502, 9153640, 10069004, 12586255, 18307280, 20138008, 25172510, 40276016, 50345020, 100690040, 201380080]

約数ペア:

[(1, 201380080), (2, 100690040), (4, 50345020), (5, 40276016), (8, 25172510), (10, 20138008), (11, 18307280), (16, 12586255), (20, 10069004), (22, 9153640), (40, 5034502), (44, 4576820), (55, 3661456), (80, 2517251), (88, 2288410), (110, 1830728), (176, 1144205), (220, 915364), (440, 457682), (880, 228841)]