80403290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{66449}}^1$

素因数の和:66478

約数の個数: 24

約数和(自身を含む): 159081300

約数和(自身を除く): 78678010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 66449, 132898, 332245, 664490, 730939, 1461878, 3654695, 7309390, 8040329, 16080658, 40201645, 80403290]

約数ペア:

[(1, 80403290), (2, 40201645), (5, 16080658), (10, 8040329), (11, 7309390), (22, 3654695), (55, 1461878), (110, 730939), (121, 664490), (242, 332245), (605, 132898), (1210, 66449)]