39968672

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 83204352

約数和(自身を除く): 43235680

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 248, 344, 496, 688, 937, 992, 1333, 1376, 1874, 2666, 3748, 5332, 7496, 10664, 14992, 21328, 29047, 29984, 40291, 42656, 58094, 80582, 116188, 161164, 232376, 322328, 464752, 644656, 929504, 1249021, 1289312, 2498042, 4996084, 9992168, 19984336, 39968672]

約数ペア:

[(1, 39968672), (2, 19984336), (4, 9992168), (8, 4996084), (16, 2498042), (31, 1289312), (32, 1249021), (43, 929504), (62, 644656), (86, 464752), (124, 322328), (172, 232376), (248, 161164), (344, 116188), (496, 80582), (688, 58094), (937, 42656), (992, 40291), (1333, 29984), (1376, 29047), (1874, 21328), (2666, 14992), (3748, 10664), (5332, 7496)]