56838760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 141004800

約数和(自身を除く): 84166040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1279, 2020, 2222, 2558, 4040, 4444, 5116, 5555, 6395, 8888, 10232, 11110, 12790, 14069, 22220, 25580, 28138, 44440, 51160, 56276, 70345, 112552, 129179, 140690, 258358, 281380, 516716, 562760, 645895, 1033432, 1291790, 1420969, 2583580, 2841938, 5167160, 5683876, 7104845, 11367752, 14209690, 28419380, 56838760]

約数ペア:

[(1, 56838760), (2, 28419380), (4, 14209690), (5, 11367752), (8, 7104845), (10, 5683876), (11, 5167160), (20, 2841938), (22, 2583580), (40, 1420969), (44, 1291790), (55, 1033432), (88, 645895), (101, 562760), (110, 516716), (202, 281380), (220, 258358), (404, 140690), (440, 129179), (505, 112552), (808, 70345), (1010, 56276), (1111, 51160), (1279, 44440), (2020, 28138), (2222, 25580), (2558, 22220), (4040, 14069), (4444, 12790), (5116, 11110), (5555, 10232), (6395, 8888)]