39997408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 86486400

約数和(自身を除く): 46488992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 352, 398, 571, 796, 1142, 1592, 2189, 2284, 3184, 4378, 4568, 6281, 6368, 8756, 9136, 12562, 17512, 18272, 25124, 35024, 50248, 70048, 100496, 113629, 200992, 227258, 454516, 909032, 1249919, 1818064, 2499838, 3636128, 4999676, 9999352, 19998704, 39997408]

約数ペア:

[(1, 39997408), (2, 19998704), (4, 9999352), (8, 4999676), (11, 3636128), (16, 2499838), (22, 1818064), (32, 1249919), (44, 909032), (88, 454516), (176, 227258), (199, 200992), (352, 113629), (398, 100496), (571, 70048), (796, 50248), (1142, 35024), (1592, 25124), (2189, 18272), (2284, 17512), (3184, 12562), (4378, 9136), (4568, 8756), (6281, 6368)]