131322160

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4871}}^1$

素因数の和:5221

約数の個数: 40

約数和(自身を含む): 306292896

約数和(自身を除く): 174970736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 4871, 5392, 6740, 9742, 13480, 19484, 24355, 26960, 38968, 48710, 77936, 97420, 194840, 389680, 1641527, 3283054, 6566108, 8207635, 13132216, 16415270, 26264432, 32830540, 65661080, 131322160]

約数ペア:

[(1, 131322160), (2, 65661080), (4, 32830540), (5, 26264432), (8, 16415270), (10, 13132216), (16, 8207635), (20, 6566108), (40, 3283054), (80, 1641527), (337, 389680), (674, 194840), (1348, 97420), (1685, 77936), (2696, 48710), (3370, 38968), (4871, 26960), (5392, 24355), (6740, 19484), (9742, 13480)]