40390846

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1384

約数の個数: 24

約数和(自身を含む): 65480184

約数和(自身を除く): 25089338

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1301, 1634, 2602, 15523, 24719, 31046, 49438, 55943, 111886, 469661, 939322, 1062917, 2125834, 20195423, 40390846]

約数ペア:

[(1, 40390846), (2, 20195423), (19, 2125834), (38, 1062917), (43, 939322), (86, 469661), (361, 111886), (722, 55943), (817, 49438), (1301, 31046), (1634, 24719), (2602, 15523)]