7427648680

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{343237}}^1$

素因数の和:343789

約数の個数: 32

約数和(自身を含む): 16743149640

約数和(自身を除く): 9315500960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 343237, 686474, 1372948, 1716185, 2745896, 3432370, 6864740, 13729480, 185691217, 371382434, 742764868, 928456085, 1485529736, 1856912170, 3713824340, 7427648680]

約数ペア:

[(1, 7427648680), (2, 3713824340), (4, 1856912170), (5, 1485529736), (8, 928456085), (10, 742764868), (20, 371382434), (40, 185691217), (541, 13729480), (1082, 6864740), (2164, 3432370), (2705, 2745896), (4328, 1716185), (5410, 1372948), (10820, 686474), (21640, 343237)]