80565140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{66037}}^1$

素因数の和:66107

約数の個数: 24

約数和(自身を含む): 171962952

約数和(自身を除く): 91397812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 66037, 132074, 264148, 330185, 660370, 1320740, 4028257, 8056514, 16113028, 20141285, 40282570, 80565140]

約数ペア:

[(1, 80565140), (2, 40282570), (4, 20141285), (5, 16113028), (10, 8056514), (20, 4028257), (61, 1320740), (122, 660370), (244, 330185), (305, 264148), (610, 132074), (1220, 66037)]