55907420

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6971}}^1$

素因数の和:7381

約数の個数: 24

約数和(自身を含む): 117715248

約数和(自身を除く): 61807828

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 6971, 8020, 13942, 27884, 34855, 69710, 139420, 2795371, 5590742, 11181484, 13976855, 27953710, 55907420]

約数ペア:

[(1, 55907420), (2, 27953710), (4, 13976855), (5, 11181484), (10, 5590742), (20, 2795371), (401, 139420), (802, 69710), (1604, 34855), (2005, 27884), (4010, 13942), (6971, 8020)]