40648936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 79994880

約数和(自身を除く): 39345944

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 2687, 3782, 5374, 7564, 10748, 15128, 21496, 83297, 163907, 166594, 327814, 333188, 655628, 666376, 1311256, 5081117, 10162234, 20324468, 40648936]

約数ペア:

[(1, 40648936), (2, 20324468), (4, 10162234), (8, 5081117), (31, 1311256), (61, 666376), (62, 655628), (122, 333188), (124, 327814), (244, 166594), (248, 163907), (488, 83297), (1891, 21496), (2687, 15128), (3782, 10748), (5374, 7564)]