78539060

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{5683}}^1$

素因数の和:6383

約数の個数: 24

約数和(自身を含む): 165199776

約数和(自身を除く): 86660716

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 5683, 6910, 11366, 13820, 22732, 28415, 56830, 113660, 3926953, 7853906, 15707812, 19634765, 39269530, 78539060]

約数ペア:

[(1, 78539060), (2, 39269530), (4, 19634765), (5, 15707812), (10, 7853906), (20, 3926953), (691, 113660), (1382, 56830), (2764, 28415), (3455, 22732), (5683, 13820), (6910, 11366)]