78414220

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{5393}}^1$

素因数の和:6129

約数の個数: 24

約数和(自身を含む): 164926944

約数和(自身を除く): 86512724

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 5393, 7270, 10786, 14540, 21572, 26965, 53930, 107860, 3920711, 7841422, 15682844, 19603555, 39207110, 78414220]

約数ペア:

[(1, 78414220), (2, 39207110), (4, 19603555), (5, 15682844), (10, 7841422), (20, 3920711), (727, 107860), (1454, 53930), (2908, 26965), (3635, 21572), (5393, 14540), (7270, 10786)]