12453980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 32610816

約数和(自身を除く): 20156836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8087, 16174, 32348, 40435, 56609, 80870, 88957, 113218, 161740, 177914, 226436, 283045, 355828, 444785, 566090, 622699, 889570, 1132180, 1245398, 1779140, 2490796, 3113495, 6226990, 12453980]

約数ペア:

[(1, 12453980), (2, 6226990), (4, 3113495), (5, 2490796), (7, 1779140), (10, 1245398), (11, 1132180), (14, 889570), (20, 622699), (22, 566090), (28, 444785), (35, 355828), (44, 283045), (55, 226436), (70, 177914), (77, 161740), (110, 113218), (140, 88957), (154, 80870), (220, 56609), (308, 40435), (385, 32348), (770, 16174), (1540, 8087)]