2987260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 6428016

約数和(自身を除く): 3440756

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3643, 7286, 14572, 18215, 36430, 72860, 149363, 298726, 597452, 746815, 1493630, 2987260]

約数ペア:

[(1, 2987260), (2, 1493630), (4, 746815), (5, 597452), (10, 298726), (20, 149363), (41, 72860), (82, 36430), (164, 18215), (205, 14572), (410, 7286), (820, 3643)]