789993040

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{22291}}^1$

素因数の和:22747

約数の個数: 40

約数和(自身を含む): 1840962528

約数和(自身を除く): 1050969488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 22291, 35440, 44582, 89164, 111455, 178328, 222910, 356656, 445820, 891640, 1783280, 9874913, 19749826, 39499652, 49374565, 78999304, 98749130, 157998608, 197498260, 394996520, 789993040]

約数ペア:

[(1, 789993040), (2, 394996520), (4, 197498260), (5, 157998608), (8, 98749130), (10, 78999304), (16, 49374565), (20, 39499652), (40, 19749826), (80, 9874913), (443, 1783280), (886, 891640), (1772, 445820), (2215, 356656), (3544, 222910), (4430, 178328), (7088, 111455), (8860, 89164), (17720, 44582), (22291, 35440)]