80675408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1249}}^1$

素因数の和:1635

約数の個数: 40

約数和(自身を含む): 171120000

約数和(自身を除く): 90444592

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 367, 734, 1249, 1468, 2498, 2936, 4037, 4996, 5872, 8074, 9992, 13739, 16148, 19984, 27478, 32296, 54956, 64592, 109912, 219824, 458383, 916766, 1833532, 3667064, 5042213, 7334128, 10084426, 20168852, 40337704, 80675408]

約数ペア:

[(1, 80675408), (2, 40337704), (4, 20168852), (8, 10084426), (11, 7334128), (16, 5042213), (22, 3667064), (44, 1833532), (88, 916766), (176, 458383), (367, 219824), (734, 109912), (1249, 64592), (1468, 54956), (2498, 32296), (2936, 27478), (4037, 19984), (4996, 16148), (5872, 13739), (8074, 9992)]