80814812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2417}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 152604816

約数和(自身を除く): 71790004

約数列:

[1, 2, 4, 13, 26, 52, 643, 1286, 2417, 2572, 4834, 8359, 9668, 16718, 31421, 33436, 62842, 125684, 1554131, 3108262, 6216524, 20203703, 40407406, 80814812]

約数ペア:

[(1, 80814812), (2, 40407406), (4, 20203703), (13, 6216524), (26, 3108262), (52, 1554131), (643, 125684), (1286, 62842), (2417, 33436), (2572, 31421), (4834, 16718), (8359, 9668)]