12806860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 30627072

約数和(自身を除く): 17820212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 2531, 5060, 5062, 10124, 12655, 25310, 27841, 50620, 55682, 58213, 111364, 116426, 139205, 232852, 278410, 291065, 556820, 582130, 640343, 1164260, 1280686, 2561372, 3201715, 6403430, 12806860]

約数ペア:

[(1, 12806860), (2, 6403430), (4, 3201715), (5, 2561372), (10, 1280686), (11, 1164260), (20, 640343), (22, 582130), (23, 556820), (44, 291065), (46, 278410), (55, 232852), (92, 139205), (110, 116426), (115, 111364), (220, 58213), (230, 55682), (253, 50620), (460, 27841), (506, 25310), (1012, 12655), (1265, 10124), (2530, 5062), (2531, 5060)]