80591030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 160878960

約数和(自身を除く): 80287930

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 845, 1109, 1118, 1690, 2218, 2795, 5545, 5590, 7267, 11090, 14417, 14534, 28834, 36335, 47687, 72085, 72670, 95374, 144170, 187421, 238435, 374842, 476870, 619931, 937105, 1239862, 1874210, 3099655, 6199310, 8059103, 16118206, 40295515, 80591030]

約数ペア:

[(1, 80591030), (2, 40295515), (5, 16118206), (10, 8059103), (13, 6199310), (26, 3099655), (43, 1874210), (65, 1239862), (86, 937105), (130, 619931), (169, 476870), (215, 374842), (338, 238435), (430, 187421), (559, 144170), (845, 95374), (1109, 72670), (1118, 72085), (1690, 47687), (2218, 36335), (2795, 28834), (5545, 14534), (5590, 14417), (7267, 11090)]