81517888960

素因数分解:

$2^6\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{184463}}^1$

素因数の和:185861

約数の個数: 56

約数和(自身を含む): 194256086976

約数和(自身を除く): 112738198016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1381, 2762, 5524, 6905, 11048, 13810, 22096, 27620, 44192, 55240, 88384, 110480, 184463, 220960, 368926, 441920, 737852, 922315, 1475704, 1844630, 2951408, 3689260, 5902816, 7378520, 11805632, 14757040, 29514080, 59028160, 254743403, 509486806, 1018973612, 1273717015, 2037947224, 2547434030, 4075894448, 5094868060, 8151788896, 10189736120, 16303577792, 20379472240, 40758944480, 81517888960]

約数ペア:

[(1, 81517888960), (2, 40758944480), (4, 20379472240), (5, 16303577792), (8, 10189736120), (10, 8151788896), (16, 5094868060), (20, 4075894448), (32, 2547434030), (40, 2037947224), (64, 1273717015), (80, 1018973612), (160, 509486806), (320, 254743403), (1381, 59028160), (2762, 29514080), (5524, 14757040), (6905, 11805632), (11048, 7378520), (13810, 5902816), (22096, 3689260), (27620, 2951408), (44192, 1844630), (55240, 1475704), (88384, 922315), (110480, 737852), (184463, 441920), (220960, 368926)]