157078541680

素因数分解:

$2^4\times 5^1\times {\mathrm{1963481771}}^1$

素因数の和:1963481784

約数の個数: 20

約数和(自身を含む): 365207609592

約数和(自身を除く): 208129067912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963481771, 3926963542, 7853927084, 9817408855, 15707854168, 19634817710, 31415708336, 39269635420, 78539270840, 157078541680]

約数ペア:

[(1, 157078541680), (2, 78539270840), (4, 39269635420), (5, 31415708336), (8, 19634817710), (10, 15707854168), (16, 9817408855), (20, 7853927084), (40, 3926963542), (80, 1963481771)]