79374280

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2417}}^1$

素因数の和:3249

約数の個数: 32

約数和(自身を含む): 178883640

約数和(自身を除く): 99509360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2417, 3284, 4105, 4834, 6568, 8210, 9668, 12085, 16420, 19336, 24170, 32840, 48340, 96680, 1984357, 3968714, 7937428, 9921785, 15874856, 19843570, 39687140, 79374280]

約数ペア:

[(1, 79374280), (2, 39687140), (4, 19843570), (5, 15874856), (8, 9921785), (10, 7937428), (20, 3968714), (40, 1984357), (821, 96680), (1642, 48340), (2417, 32840), (3284, 24170), (4105, 19336), (4834, 16420), (6568, 12085), (8210, 9668)]