13157831240

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{499159}}^1$

素因数の和:499829

約数の個数: 32

約数和(自身を含む): 29650104000

約数和(自身を除く): 16492272760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 499159, 998318, 1996636, 2495795, 3993272, 4991590, 9983180, 19966360, 328945781, 657891562, 1315783124, 1644728905, 2631566248, 3289457810, 6578915620, 13157831240]

約数ペア:

[(1, 13157831240), (2, 6578915620), (4, 3289457810), (5, 2631566248), (8, 1644728905), (10, 1315783124), (20, 657891562), (40, 328945781), (659, 19966360), (1318, 9983180), (2636, 4991590), (3295, 3993272), (5272, 2495795), (6590, 1996636), (13180, 998318), (26360, 499159)]