61701980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{10979}}^1$

素因数の和:11269

約数の個数: 24

約数和(自身を含む): 130047120

約数和(自身を除く): 68345140

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 10979, 21958, 43916, 54895, 109790, 219580, 3085099, 6170198, 12340396, 15425495, 30850990, 61701980]

約数ペア:

[(1, 61701980), (2, 30850990), (4, 15425495), (5, 12340396), (10, 6170198), (20, 3085099), (281, 219580), (562, 109790), (1124, 54895), (1405, 43916), (2810, 21958), (5620, 10979)]