40484020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12893}}^1$

素因数の和:13059

約数の個数: 24

約数和(自身を含む): 85564584

約数和(自身を除く): 45080564

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12893, 25786, 51572, 64465, 128930, 257860, 2024201, 4048402, 8096804, 10121005, 20242010, 40484020]

約数ペア:

[(1, 40484020), (2, 20242010), (4, 10121005), (5, 8096804), (10, 4048402), (20, 2024201), (157, 257860), (314, 128930), (628, 64465), (785, 51572), (1570, 25786), (3140, 12893)]