40644784

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{6211}}^1$

素因数の和:6628

約数の個数: 20

約数和(自身を含む): 78954520

約数和(自身を除く): 38309736

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6211, 6544, 12422, 24844, 49688, 99376, 2540299, 5080598, 10161196, 20322392, 40644784]

約数ペア:

[(1, 40644784), (2, 20322392), (4, 10161196), (8, 5080598), (16, 2540299), (409, 99376), (818, 49688), (1636, 24844), (3272, 12422), (6211, 6544)]