39822890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 77410944

約数和(自身を除く): 37588054

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 103, 115, 205, 206, 230, 410, 515, 943, 1030, 1681, 1886, 2369, 3362, 4223, 4715, 4738, 8405, 8446, 9430, 11845, 16810, 21115, 23690, 38663, 42230, 77326, 97129, 173143, 193315, 194258, 346286, 386630, 485645, 865715, 971290, 1731430, 3982289, 7964578, 19911445, 39822890]

約数ペア:

[(1, 39822890), (2, 19911445), (5, 7964578), (10, 3982289), (23, 1731430), (41, 971290), (46, 865715), (82, 485645), (103, 386630), (115, 346286), (205, 194258), (206, 193315), (230, 173143), (410, 97129), (515, 77326), (943, 42230), (1030, 38663), (1681, 23690), (1886, 21115), (2369, 16810), (3362, 11845), (4223, 9430), (4715, 8446), (4738, 8405)]