40204784

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{11909}}^1$

素因数の和:12128

約数の個数: 20

約数和(自身を含む): 78272520

約数和(自身を除く): 38067736

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 11909, 23818, 47636, 95272, 190544, 2512799, 5025598, 10051196, 20102392, 40204784]

約数ペア:

[(1, 40204784), (2, 20102392), (4, 10051196), (8, 5025598), (16, 2512799), (211, 190544), (422, 95272), (844, 47636), (1688, 23818), (3376, 11909)]