7980496540

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1789349}}^1$

素因数の和:1789581

約数の個数: 24

約数和(自身を含む): 16834204800

約数和(自身を除く): 8853708260

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 1789349, 3578698, 7157396, 8946745, 17893490, 35786980, 399024827, 798049654, 1596099308, 1995124135, 3990248270, 7980496540]

約数ペア:

[(1, 7980496540), (2, 3990248270), (4, 1995124135), (5, 1596099308), (10, 798049654), (20, 399024827), (223, 35786980), (446, 17893490), (892, 8946745), (1115, 7157396), (2230, 3578698), (4460, 1789349)]