80139605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 39610795

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 445, 455, 623, 1157, 1979, 3115, 5785, 8099, 9895, 13853, 25727, 40495, 69265, 128635, 176131, 180089, 880655, 900445, 1232917, 2289703, 6164585, 11448515, 16027921, 80139605]

約数ペア:

[(1, 80139605), (5, 16027921), (7, 11448515), (13, 6164585), (35, 2289703), (65, 1232917), (89, 900445), (91, 880655), (445, 180089), (455, 176131), (623, 128635), (1157, 69265), (1979, 40495), (3115, 25727), (5785, 13853), (8099, 9895)]