78677260

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{5693}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 165490416

約数和(自身を除く): 86813156

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 5693, 6910, 11386, 13820, 22772, 28465, 56930, 113860, 3933863, 7867726, 15735452, 19669315, 39338630, 78677260]

約数ペア:

[(1, 78677260), (2, 39338630), (4, 19669315), (5, 15735452), (10, 7867726), (20, 3933863), (691, 113860), (1382, 56930), (2764, 28465), (3455, 22772), (5693, 13820), (6910, 11386)]