40128944

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{18307}}^1$

素因数の和:18452

約数の個数: 20

約数和(自身を含む): 78321624

約数和(自身を除く): 38192680

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 18307, 36614, 73228, 146456, 292912, 2508059, 5016118, 10032236, 20064472, 40128944]

約数ペア:

[(1, 40128944), (2, 20064472), (4, 10032236), (8, 5016118), (16, 2508059), (137, 292912), (274, 146456), (548, 73228), (1096, 36614), (2192, 18307)]