40904378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15161}}^1$

素因数の和:15253

約数の個数: 16

約数和(自身を含む): 65499840

約数和(自身を除く): 24595462

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 15161, 30322, 288059, 576118, 1076431, 2152862, 20452189, 40904378]

約数ペア:

[(1, 40904378), (2, 20452189), (19, 2152862), (38, 1076431), (71, 576118), (142, 288059), (1349, 30322), (2698, 15161)]