12711380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 17951980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3041, 4180, 6082, 12164, 15205, 30410, 33451, 57779, 60820, 66902, 115558, 133804, 167255, 231116, 288895, 334510, 577790, 635569, 669020, 1155580, 1271138, 2542276, 3177845, 6355690, 12711380]

約数ペア:

[(1, 12711380), (2, 6355690), (4, 3177845), (5, 2542276), (10, 1271138), (11, 1155580), (19, 669020), (20, 635569), (22, 577790), (38, 334510), (44, 288895), (55, 231116), (76, 167255), (95, 133804), (110, 115558), (190, 66902), (209, 60820), (220, 57779), (380, 33451), (418, 30410), (836, 15205), (1045, 12164), (2090, 6082), (3041, 4180)]