2012100560

素因数分解:

$2^4\times 5^1\times {\mathrm{25151257}}^1$

素因数の和:25151270

約数の個数: 20

約数和(自身を含む): 4678133988

約数和(自身を除く): 2666033428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25151257, 50302514, 100605028, 125756285, 201210056, 251512570, 402420112, 503025140, 1006050280, 2012100560]

約数ペア:

[(1, 2012100560), (2, 1006050280), (4, 503025140), (5, 402420112), (8, 251512570), (10, 201210056), (16, 125756285), (20, 100605028), (40, 50302514), (80, 25151257)]