200777960

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{5857}}^1$

素因数の和:6725

約数の個数: 32

約数和(自身を含む): 452354760

約数和(自身を除く): 251576800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 5857, 6856, 8570, 11714, 17140, 23428, 29285, 34280, 46856, 58570, 117140, 234280, 5019449, 10038898, 20077796, 25097245, 40155592, 50194490, 100388980, 200777960]

約数ペア:

[(1, 200777960), (2, 100388980), (4, 50194490), (5, 40155592), (8, 25097245), (10, 20077796), (20, 10038898), (40, 5019449), (857, 234280), (1714, 117140), (3428, 58570), (4285, 46856), (5857, 34280), (6856, 29285), (8570, 23428), (11714, 17140)]