27444320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4047

約数の個数: 48

約数和(自身を含む): 66361680

約数和(自身を除く): 38917360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 3989, 6880, 7978, 15956, 19945, 31912, 39890, 63824, 79780, 127648, 159560, 171527, 319120, 343054, 638240, 686108, 857635, 1372216, 1715270, 2744432, 3430540, 5488864, 6861080, 13722160, 27444320]

約数ペア:

[(1, 27444320), (2, 13722160), (4, 6861080), (5, 5488864), (8, 3430540), (10, 2744432), (16, 1715270), (20, 1372216), (32, 857635), (40, 686108), (43, 638240), (80, 343054), (86, 319120), (160, 171527), (172, 159560), (215, 127648), (344, 79780), (430, 63824), (688, 39890), (860, 31912), (1376, 19945), (1720, 15956), (3440, 7978), (3989, 6880)]