12426280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7577}}^1$

素因数の和:7629

約数の個数: 32

約数和(自身を含む): 28644840

約数和(自身を除く): 16218560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7577, 15154, 30308, 37885, 60616, 75770, 151540, 303080, 310657, 621314, 1242628, 1553285, 2485256, 3106570, 6213140, 12426280]

約数ペア:

[(1, 12426280), (2, 6213140), (4, 3106570), (5, 2485256), (8, 1553285), (10, 1242628), (20, 621314), (40, 310657), (41, 303080), (82, 151540), (164, 75770), (205, 60616), (328, 37885), (410, 30308), (820, 15154), (1640, 7577)]