40673008

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{3929}}^1$

素因数の和:4584

約数の個数: 20

約数和(自身を含む): 78945840

約数和(自身を除く): 38272832

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 3929, 5176, 7858, 10352, 15716, 31432, 62864, 2542063, 5084126, 10168252, 20336504, 40673008]

約数ペア:

[(1, 40673008), (2, 20336504), (4, 10168252), (8, 5084126), (16, 2542063), (647, 62864), (1294, 31432), (2588, 15716), (3929, 10352), (5176, 7858)]