28210005680

素因数分解:

$2^4\times 5^1\times {\mathrm{352625071}}^1$

素因数の和:352625084

約数の個数: 20

約数和(自身を含む): 65588263392

約数和(自身を除く): 37378257712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352625071, 705250142, 1410500284, 1763125355, 2821000568, 3526250710, 5642001136, 7052501420, 14105002840, 28210005680]

約数ペア:

[(1, 28210005680), (2, 14105002840), (4, 7052501420), (5, 5642001136), (8, 3526250710), (10, 2821000568), (16, 1763125355), (20, 1410500284), (40, 705250142), (80, 352625071)]