40238384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61339}}^1$

素因数の和:61388

約数の個数: 20

約数和(自身を含む): 79864680

約数和(自身を除く): 39626296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61339, 122678, 245356, 490712, 981424, 2514899, 5029798, 10059596, 20119192, 40238384]

約数ペア:

[(1, 40238384), (2, 20119192), (4, 10059596), (8, 5029798), (16, 2514899), (41, 981424), (82, 490712), (164, 245356), (328, 122678), (656, 61339)]