51354740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32503}}^1$

素因数の和:32591

約数の個数: 24

約数和(自身を含む): 109213440

約数和(自身を除く): 57858700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 32503, 65006, 130012, 162515, 325030, 650060, 2567737, 5135474, 10270948, 12838685, 25677370, 51354740]

約数ペア:

[(1, 51354740), (2, 25677370), (4, 12838685), (5, 10270948), (10, 5135474), (20, 2567737), (79, 650060), (158, 325030), (316, 162515), (395, 130012), (790, 65006), (1580, 32503)]