80630660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21559}}^1$

素因数の和:21596

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 114961660

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21559, 43118, 86236, 107795, 215590, 237149, 366503, 431180, 474298, 733006, 948596, 1185745, 1466012, 1832515, 2371490, 3665030, 4031533, 4742980, 7330060, 8063066, 16126132, 20157665, 40315330, 80630660]

約数ペア:

[(1, 80630660), (2, 40315330), (4, 20157665), (5, 16126132), (10, 8063066), (11, 7330060), (17, 4742980), (20, 4031533), (22, 3665030), (34, 2371490), (44, 1832515), (55, 1466012), (68, 1185745), (85, 948596), (110, 733006), (170, 474298), (187, 431180), (220, 366503), (340, 237149), (374, 215590), (748, 107795), (935, 86236), (1870, 43118), (3740, 21559)]