38897420

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1523}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 81802224

約数和(自身を除く): 42904804

約数列:

[1, 2, 4, 5, 10, 20, 1277, 1523, 2554, 3046, 5108, 6092, 6385, 7615, 12770, 15230, 25540, 30460, 1944871, 3889742, 7779484, 9724355, 19448710, 38897420]

約数ペア:

[(1, 38897420), (2, 19448710), (4, 9724355), (5, 7779484), (10, 3889742), (20, 1944871), (1277, 30460), (1523, 25540), (2554, 15230), (3046, 12770), (5108, 7615), (6092, 6385)]