40078448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131837}}^1$

素因数の和:131864

約数の個数: 20

約数和(自身を含む): 81739560

約数和(自身を除く): 41661112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131837, 263674, 527348, 1054696, 2109392, 2504903, 5009806, 10019612, 20039224, 40078448]

約数ペア:

[(1, 40078448), (2, 20039224), (4, 10019612), (8, 5009806), (16, 2504903), (19, 2109392), (38, 1054696), (76, 527348), (152, 263674), (304, 131837)]