40966816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 88609248

約数和(自身を除く): 47642432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 181, 352, 362, 643, 724, 1286, 1448, 1991, 2572, 2896, 3982, 5144, 5792, 7073, 7964, 10288, 14146, 15928, 20576, 28292, 31856, 56584, 63712, 113168, 116383, 226336, 232766, 465532, 931064, 1280213, 1862128, 2560426, 3724256, 5120852, 10241704, 20483408, 40966816]

約数ペア:

[(1, 40966816), (2, 20483408), (4, 10241704), (8, 5120852), (11, 3724256), (16, 2560426), (22, 1862128), (32, 1280213), (44, 931064), (88, 465532), (176, 232766), (181, 226336), (352, 116383), (362, 113168), (643, 63712), (724, 56584), (1286, 31856), (1448, 28292), (1991, 20576), (2572, 15928), (2896, 14146), (3982, 10288), (5144, 7964), (5792, 7073)]