64236020

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3739}}^1$

素因数の和:4607

約数の個数: 24

約数和(自身を含む): 135088800

約数和(自身を除く): 70852780

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 3739, 4295, 7478, 8590, 14956, 17180, 18695, 37390, 74780, 3211801, 6423602, 12847204, 16059005, 32118010, 64236020]

約数ペア:

[(1, 64236020), (2, 32118010), (4, 16059005), (5, 12847204), (10, 6423602), (20, 3211801), (859, 74780), (1718, 37390), (3436, 18695), (3739, 17180), (4295, 14956), (7478, 8590)]