7686940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1951}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 16232832

約数和(自身を除く): 8545892

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1951, 1970, 3902, 3940, 7804, 9755, 19510, 39020, 384347, 768694, 1537388, 1921735, 3843470, 7686940]

約数ペア:

[(1, 7686940), (2, 3843470), (4, 1921735), (5, 1537388), (10, 768694), (20, 384347), (197, 39020), (394, 19510), (788, 9755), (985, 7804), (1951, 3940), (1970, 3902)]