40840798

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1987}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 62979840

約数和(自身を除く): 22139042

約数列:

[1, 2, 43, 86, 239, 478, 1987, 3974, 10277, 20554, 85441, 170882, 474893, 949786, 20420399, 40840798]

約数ペア:

[(1, 40840798), (2, 20420399), (43, 949786), (86, 474893), (239, 170882), (478, 85441), (1987, 20554), (3974, 10277)]