40668656

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2437}}^1$

素因数の和:2601

約数の個数: 40

約数和(自身を含む): 90693600

約数和(自身を除く): 50024944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 2086, 2384, 2437, 4172, 4874, 8344, 9748, 16688, 17059, 19496, 34118, 38992, 68236, 136472, 272944, 363113, 726226, 1452452, 2541791, 2904904, 5083582, 5809808, 10167164, 20334328, 40668656]

約数ペア:

[(1, 40668656), (2, 20334328), (4, 10167164), (7, 5809808), (8, 5083582), (14, 2904904), (16, 2541791), (28, 1452452), (56, 726226), (112, 363113), (149, 272944), (298, 136472), (596, 68236), (1043, 38992), (1192, 34118), (2086, 19496), (2384, 17059), (2437, 16688), (4172, 9748), (4874, 8344)]