64696540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48281}}^1$

素因数の和:48357

約数の個数: 24

約数和(自身を含む): 137893392

約数和(自身を除く): 73196852

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48281, 96562, 193124, 241405, 482810, 965620, 3234827, 6469654, 12939308, 16174135, 32348270, 64696540]

約数ペア:

[(1, 64696540), (2, 32348270), (4, 16174135), (5, 12939308), (10, 6469654), (20, 3234827), (67, 965620), (134, 482810), (268, 241405), (335, 193124), (670, 96562), (1340, 48281)]