78810029560

素因数分解:

$2^3\times 5^1\times {\mathrm{4271}}^1\times {\mathrm{461309}}^1$

素因数の和:465591

約数の個数: 32

約数和(自身を含む): 177364468800

約数和(自身を除く): 98554439240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4271, 8542, 17084, 21355, 34168, 42710, 85420, 170840, 461309, 922618, 1845236, 2306545, 3690472, 4613090, 9226180, 18452360, 1970250739, 3940501478, 7881002956, 9851253695, 15762005912, 19702507390, 39405014780, 78810029560]

約数ペア:

[(1, 78810029560), (2, 39405014780), (4, 19702507390), (5, 15762005912), (8, 9851253695), (10, 7881002956), (20, 3940501478), (40, 1970250739), (4271, 18452360), (8542, 9226180), (17084, 4613090), (21355, 3690472), (34168, 2306545), (42710, 1845236), (85420, 922618), (170840, 461309)]