80344336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 164007360

約数和(自身を除く): 83663024

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 872, 1744, 2003, 2507, 4006, 5014, 8012, 10028, 16024, 20056, 32048, 40112, 46069, 92138, 184276, 218327, 368552, 436654, 737104, 873308, 1746616, 3493232, 5021521, 10043042, 20086084, 40172168, 80344336]

約数ペア:

[(1, 80344336), (2, 40172168), (4, 20086084), (8, 10043042), (16, 5021521), (23, 3493232), (46, 1746616), (92, 873308), (109, 737104), (184, 436654), (218, 368552), (368, 218327), (436, 184276), (872, 92138), (1744, 46069), (2003, 40112), (2507, 32048), (4006, 20056), (5014, 16024), (8012, 10028)]