157078120

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{5683}}^1$

素因数の和:6385

約数の個数: 32

約数和(自身を含む): 353999520

約数和(自身を除く): 196921400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 5683, 6910, 11366, 13820, 22732, 27640, 28415, 45464, 56830, 113660, 227320, 3926953, 7853906, 15707812, 19634765, 31415624, 39269530, 78539060, 157078120]

約数ペア:

[(1, 157078120), (2, 78539060), (4, 39269530), (5, 31415624), (8, 19634765), (10, 15707812), (20, 7853906), (40, 3926953), (691, 227320), (1382, 113660), (2764, 56830), (3455, 45464), (5528, 28415), (5683, 27640), (6910, 22732), (11366, 13820)]