80080990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4637}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 158285664

約数和(自身を除く): 78204674

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 4637, 8635, 9274, 17270, 23185, 46370, 51007, 102014, 255035, 510070, 728009, 1456018, 3640045, 7280090, 8008099, 16016198, 40040495, 80080990]

約数ペア:

[(1, 80080990), (2, 40040495), (5, 16016198), (10, 8008099), (11, 7280090), (22, 3640045), (55, 1456018), (110, 728009), (157, 510070), (314, 255035), (785, 102014), (1570, 51007), (1727, 46370), (3454, 23185), (4637, 17270), (8635, 9274)]