80773660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 185657472

約数和(自身を除く): 104883812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 571, 643, 1142, 1286, 2284, 2572, 2855, 3215, 5710, 6281, 6430, 7073, 11420, 12562, 12860, 14146, 25124, 28292, 31405, 35365, 62810, 70730, 125620, 141460, 367153, 734306, 1468612, 1835765, 3671530, 4038683, 7343060, 8077366, 16154732, 20193415, 40386830, 80773660]

約数ペア:

[(1, 80773660), (2, 40386830), (4, 20193415), (5, 16154732), (10, 8077366), (11, 7343060), (20, 4038683), (22, 3671530), (44, 1835765), (55, 1468612), (110, 734306), (220, 367153), (571, 141460), (643, 125620), (1142, 70730), (1286, 62810), (2284, 35365), (2572, 31405), (2855, 28292), (3215, 25124), (5710, 14146), (6281, 12860), (6430, 12562), (7073, 11420)]