3966320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 9444336

約数和(自身を除く): 5478016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1153, 1720, 2306, 3440, 4612, 5765, 9224, 11530, 18448, 23060, 46120, 49579, 92240, 99158, 198316, 247895, 396632, 495790, 793264, 991580, 1983160, 3966320]

約数ペア:

[(1, 3966320), (2, 1983160), (4, 991580), (5, 793264), (8, 495790), (10, 396632), (16, 247895), (20, 198316), (40, 99158), (43, 92240), (80, 49579), (86, 46120), (172, 23060), (215, 18448), (344, 11530), (430, 9224), (688, 5765), (860, 4612), (1153, 3440), (1720, 2306)]