40809872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{134243}}^1$

素因数の和:134270

約数の個数: 20

約数和(自身を含む): 83231280

約数和(自身を除く): 42421408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 134243, 268486, 536972, 1073944, 2147888, 2550617, 5101234, 10202468, 20404936, 40809872]

約数ペア:

[(1, 40809872), (2, 20404936), (4, 10202468), (8, 5101234), (16, 2550617), (19, 2147888), (38, 1073944), (76, 536972), (152, 268486), (304, 134243)]