15442480

素因数分解:

$2^4\times 5^1\times {\mathrm{193031}}^1$

素因数の和:193044

約数の個数: 20

約数和(自身を含む): 35903952

約数和(自身を除く): 20461472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193031, 386062, 772124, 965155, 1544248, 1930310, 3088496, 3860620, 7721240, 15442480]

約数ペア:

[(1, 15442480), (2, 7721240), (4, 3860620), (5, 3088496), (8, 1930310), (10, 1544248), (16, 965155), (20, 772124), (40, 386062), (80, 193031)]