195455420

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{24371}}^1$

素因数の和:24781

約数の個数: 24

約数和(自身を含む): 411496848

約数和(自身を除く): 216041428

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 24371, 48742, 97484, 121855, 243710, 487420, 9772771, 19545542, 39091084, 48863855, 97727710, 195455420]

約数ペア:

[(1, 195455420), (2, 97727710), (4, 48863855), (5, 39091084), (10, 19545542), (20, 9772771), (401, 487420), (802, 243710), (1604, 121855), (2005, 97484), (4010, 48742), (8020, 24371)]