8987180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6329}}^1$

素因数の和:6409

約数の個数: 24

約数和(自身を含む): 19141920

約数和(自身を除く): 10154740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6329, 12658, 25316, 31645, 63290, 126580, 449359, 898718, 1797436, 2246795, 4493590, 8987180]

約数ペア:

[(1, 8987180), (2, 4493590), (4, 2246795), (5, 1797436), (10, 898718), (20, 449359), (71, 126580), (142, 63290), (284, 31645), (355, 25316), (710, 12658), (1420, 6329)]