64759780

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{5231}}^1$

素因数の和:5859

約数の個数: 24

約数和(自身を含む): 136241280

約数和(自身を除く): 71481500

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 5231, 6190, 10462, 12380, 20924, 26155, 52310, 104620, 3237989, 6475978, 12951956, 16189945, 32379890, 64759780]

約数ペア:

[(1, 64759780), (2, 32379890), (4, 16189945), (5, 12951956), (10, 6475978), (20, 3237989), (619, 104620), (1238, 52310), (2476, 26155), (3095, 20924), (5231, 12380), (6190, 10462)]