64797080

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2837}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 146100240

約数和(自身を除く): 81303160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2837, 2855, 4568, 5674, 5710, 11348, 11420, 14185, 22696, 22840, 28370, 56740, 113480, 1619927, 3239854, 6479708, 8099635, 12959416, 16199270, 32398540, 64797080]

約数ペア:

[(1, 64797080), (2, 32398540), (4, 16199270), (5, 12959416), (8, 8099635), (10, 6479708), (20, 3239854), (40, 1619927), (571, 113480), (1142, 56740), (2284, 28370), (2837, 22840), (2855, 22696), (4568, 14185), (5674, 11420), (5710, 11348)]