31600720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 77740560

約数和(自身を除く): 46139840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 53, 58, 80, 106, 116, 145, 212, 232, 257, 265, 290, 424, 464, 514, 530, 580, 848, 1028, 1060, 1160, 1285, 1537, 2056, 2120, 2320, 2570, 3074, 4112, 4240, 5140, 6148, 7453, 7685, 10280, 12296, 13621, 14906, 15370, 20560, 24592, 27242, 29812, 30740, 37265, 54484, 59624, 61480, 68105, 74530, 108968, 119248, 122960, 136210, 149060, 217936, 272420, 298120, 395009, 544840, 596240, 790018, 1089680, 1580036, 1975045, 3160072, 3950090, 6320144, 7900180, 15800360, 31600720]

約数ペア:

[(1, 31600720), (2, 15800360), (4, 7900180), (5, 6320144), (8, 3950090), (10, 3160072), (16, 1975045), (20, 1580036), (29, 1089680), (40, 790018), (53, 596240), (58, 544840), (80, 395009), (106, 298120), (116, 272420), (145, 217936), (212, 149060), (232, 136210), (257, 122960), (265, 119248), (290, 108968), (424, 74530), (464, 68105), (514, 61480), (530, 59624), (580, 54484), (848, 37265), (1028, 30740), (1060, 29812), (1160, 27242), (1285, 24592), (1537, 20560), (2056, 15370), (2120, 14906), (2320, 13621), (2570, 12296), (3074, 10280), (4112, 7685), (4240, 7453), (5140, 6148)]