80222780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1033}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 184482144

約数和(自身を除く): 104259364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1033, 1412, 1765, 2066, 3530, 3883, 4132, 5165, 7060, 7766, 10330, 11363, 15532, 19415, 20660, 22726, 38830, 45452, 56815, 77660, 113630, 227260, 364649, 729298, 1458596, 1823245, 3646490, 4011139, 7292980, 8022278, 16044556, 20055695, 40111390, 80222780]

約数ペア:

[(1, 80222780), (2, 40111390), (4, 20055695), (5, 16044556), (10, 8022278), (11, 7292980), (20, 4011139), (22, 3646490), (44, 1823245), (55, 1458596), (110, 729298), (220, 364649), (353, 227260), (706, 113630), (1033, 77660), (1412, 56815), (1765, 45452), (2066, 38830), (3530, 22726), (3883, 20660), (4132, 19415), (5165, 15532), (7060, 11363), (7766, 10330)]