40806059905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1\times {\mathrm{28649}}^1$

素因数の和:29973

約数の個数: 32

約数和(自身を含む): 55881252000

約数和(自身を除く): 15075192095

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1289, 6445, 16757, 21913, 28649, 83785, 109565, 143245, 284869, 372437, 487033, 1424345, 1862185, 2435165, 6331429, 31657145, 36928561, 184642805, 480071293, 627785537, 2400356465, 3138927685, 8161211981, 40806059905]

約数ペア:

[(1, 40806059905), (5, 8161211981), (13, 3138927685), (17, 2400356465), (65, 627785537), (85, 480071293), (221, 184642805), (1105, 36928561), (1289, 31657145), (6445, 6331429), (16757, 2435165), (21913, 1862185), (28649, 1424345), (83785, 487033), (109565, 372437), (143245, 284869)]