40800320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 112

約数和(自身を含む): 108191808

約数和(自身を除く): 67391488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 110, 134, 160, 173, 176, 220, 268, 320, 335, 346, 352, 440, 536, 670, 692, 704, 737, 865, 880, 1072, 1340, 1384, 1474, 1730, 1760, 1903, 2144, 2680, 2768, 2948, 3460, 3520, 3685, 3806, 4288, 5360, 5536, 5896, 6920, 7370, 7612, 9515, 10720, 11072, 11591, 11792, 13840, 14740, 15224, 19030, 21440, 23182, 23584, 27680, 29480, 30448, 38060, 46364, 47168, 55360, 57955, 58960, 60896, 76120, 92728, 115910, 117920, 121792, 127501, 152240, 185456, 231820, 235840, 255002, 304480, 370912, 463640, 510004, 608960, 637505, 741824, 927280, 1020008, 1275010, 1854560, 2040016, 2550020, 3709120, 4080032, 5100040, 8160064, 10200080, 20400160, 40800320]

約数ペア:

[(1, 40800320), (2, 20400160), (4, 10200080), (5, 8160064), (8, 5100040), (10, 4080032), (11, 3709120), (16, 2550020), (20, 2040016), (22, 1854560), (32, 1275010), (40, 1020008), (44, 927280), (55, 741824), (64, 637505), (67, 608960), (80, 510004), (88, 463640), (110, 370912), (134, 304480), (160, 255002), (173, 235840), (176, 231820), (220, 185456), (268, 152240), (320, 127501), (335, 121792), (346, 117920), (352, 115910), (440, 92728), (536, 76120), (670, 60896), (692, 58960), (704, 57955), (737, 55360), (865, 47168), (880, 46364), (1072, 38060), (1340, 30448), (1384, 29480), (1474, 27680), (1730, 23584), (1760, 23182), (1903, 21440), (2144, 19030), (2680, 15224), (2768, 14740), (2948, 13840), (3460, 11792), (3520, 11591), (3685, 11072), (3806, 10720), (4288, 9515), (5360, 7612), (5536, 7370), (5896, 6920)]