12623180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 28377216

約数和(自身を除く): 15754036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 271, 274, 340, 542, 548, 685, 1084, 1355, 1370, 2329, 2710, 2740, 4607, 4658, 5420, 9214, 9316, 11645, 18428, 23035, 23290, 37127, 46070, 46580, 74254, 92140, 148508, 185635, 371270, 631159, 742540, 1262318, 2524636, 3155795, 6311590, 12623180]

約数ペア:

[(1, 12623180), (2, 6311590), (4, 3155795), (5, 2524636), (10, 1262318), (17, 742540), (20, 631159), (34, 371270), (68, 185635), (85, 148508), (137, 92140), (170, 74254), (271, 46580), (274, 46070), (340, 37127), (542, 23290), (548, 23035), (685, 18428), (1084, 11645), (1355, 9316), (1370, 9214), (2329, 5420), (2710, 4658), (2740, 4607)]