42540880

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{827}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 99181152

約数和(自身を除く): 56640272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 827, 1286, 1654, 2572, 3215, 3308, 4135, 5144, 6430, 6616, 8270, 10288, 12860, 13232, 16540, 25720, 33080, 51440, 66160, 531761, 1063522, 2127044, 2658805, 4254088, 5317610, 8508176, 10635220, 21270440, 42540880]

約数ペア:

[(1, 42540880), (2, 21270440), (4, 10635220), (5, 8508176), (8, 5317610), (10, 4254088), (16, 2658805), (20, 2127044), (40, 1063522), (80, 531761), (643, 66160), (827, 51440), (1286, 33080), (1654, 25720), (2572, 16540), (3215, 13232), (3308, 12860), (4135, 10288), (5144, 8270), (6430, 6616)]