2820346043420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{561821921}}^1$

素因数の和:561822181

約数の個数: 24

約数和(自身を含む): 5946323222448

約数和(自身を除く): 3125977179028

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 561821921, 1123643842, 2247287684, 2809109605, 5618219210, 11236438420, 141017302171, 282034604342, 564069208684, 705086510855, 1410173021710, 2820346043420]

約数ペア:

[(1, 2820346043420), (2, 1410173021710), (4, 705086510855), (5, 564069208684), (10, 282034604342), (20, 141017302171), (251, 11236438420), (502, 5618219210), (1004, 2809109605), (1255, 2247287684), (2510, 1123643842), (5020, 561821921)]