40549036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 78576400

約数和(自身を除く): 38027364

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 421, 484, 796, 842, 1684, 2189, 4378, 4631, 8756, 9262, 18524, 24079, 48158, 50941, 83779, 96316, 101882, 167558, 203764, 335116, 921569, 1843138, 3686276, 10137259, 20274518, 40549036]

約数ペア:

[(1, 40549036), (2, 20274518), (4, 10137259), (11, 3686276), (22, 1843138), (44, 921569), (121, 335116), (199, 203764), (242, 167558), (398, 101882), (421, 96316), (484, 83779), (796, 50941), (842, 48158), (1684, 24079), (2189, 18524), (4378, 9262), (4631, 8756)]