13016680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7937}}^1$

素因数の和:7989

約数の個数: 32

約数和(自身を含む): 30005640

約数和(自身を除く): 16988960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7937, 15874, 31748, 39685, 63496, 79370, 158740, 317480, 325417, 650834, 1301668, 1627085, 2603336, 3254170, 6508340, 13016680]

約数ペア:

[(1, 13016680), (2, 6508340), (4, 3254170), (5, 2603336), (8, 1627085), (10, 1301668), (20, 650834), (40, 325417), (41, 317480), (82, 158740), (164, 79370), (205, 63496), (328, 39685), (410, 31748), (820, 15874), (1640, 7937)]