80546740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 175589568

約数和(自身を除く): 95042828

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1283, 1460, 2566, 3139, 5132, 6278, 6415, 12556, 12830, 15695, 25660, 31390, 55169, 62780, 93659, 110338, 187318, 220676, 275845, 374636, 468295, 551690, 936590, 1103380, 1873180, 4027337, 8054674, 16109348, 20136685, 40273370, 80546740]

約数ペア:

[(1, 80546740), (2, 40273370), (4, 20136685), (5, 16109348), (10, 8054674), (20, 4027337), (43, 1873180), (73, 1103380), (86, 936590), (146, 551690), (172, 468295), (215, 374636), (292, 275845), (365, 220676), (430, 187318), (730, 110338), (860, 93659), (1283, 62780), (1460, 55169), (2566, 31390), (3139, 25660), (5132, 15695), (6278, 12830), (6415, 12556)]