80972980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{368059}}^1$

素因数の和:368079

約数の個数: 24

約数和(自身を含む): 185502240

約数和(自身を除く): 104529260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 368059, 736118, 1472236, 1840295, 3680590, 4048649, 7361180, 8097298, 16194596, 20243245, 40486490, 80972980]

約数ペア:

[(1, 80972980), (2, 40486490), (4, 20243245), (5, 16194596), (10, 8097298), (11, 7361180), (20, 4048649), (22, 3680590), (44, 1840295), (55, 1472236), (110, 736118), (220, 368059)]