64404460

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{9227}}^1$

素因数の和:9585

約数の個数: 24

約数和(自身を含む): 135651600

約数和(自身を除く): 71247140

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 9227, 18454, 36908, 46135, 92270, 184540, 3220223, 6440446, 12880892, 16101115, 32202230, 64404460]

約数ペア:

[(1, 64404460), (2, 32202230), (4, 16101115), (5, 12880892), (10, 6440446), (20, 3220223), (349, 184540), (698, 92270), (1396, 46135), (1745, 36908), (3490, 18454), (6980, 9227)]