64905580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48437}}^1$

素因数の和:48513

約数の個数: 24

約数和(自身を含む): 138338928

約数和(自身を除く): 73433348

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48437, 96874, 193748, 242185, 484370, 968740, 3245279, 6490558, 12981116, 16226395, 32452790, 64905580]

約数ペア:

[(1, 64905580), (2, 32452790), (4, 16226395), (5, 12981116), (10, 6490558), (20, 3245279), (67, 968740), (134, 484370), (268, 242185), (335, 193748), (670, 96874), (1340, 48437)]