40385936

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 80601984

約数和(自身を除く): 40216048

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 487, 568, 584, 974, 1136, 1168, 1948, 3896, 5183, 7792, 10366, 20732, 34577, 35551, 41464, 69154, 71102, 82928, 138308, 142204, 276616, 284408, 553232, 568816, 2524121, 5048242, 10096484, 20192968, 40385936]

約数ペア:

[(1, 40385936), (2, 20192968), (4, 10096484), (8, 5048242), (16, 2524121), (71, 568816), (73, 553232), (142, 284408), (146, 276616), (284, 142204), (292, 138308), (487, 82928), (568, 71102), (584, 69154), (974, 41464), (1136, 35551), (1168, 34577), (1948, 20732), (3896, 10366), (5183, 7792)]