64720010

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{4967}}^1$

素因数の和:6277

約数の個数: 16

約数和(自身を含む): 116608896

約数和(自身を除く): 51888886

約数列:

[1, 2, 5, 10, 1303, 2606, 4967, 6515, 9934, 13030, 24835, 49670, 6472001, 12944002, 32360005, 64720010]

約数ペア:

[(1, 64720010), (2, 32360005), (5, 12944002), (10, 6472001), (1303, 49670), (2606, 24835), (4967, 13030), (6515, 9934)]