38896240

素因数分解:

$2^4\times 5^1\times {\mathrm{486203}}^1$

素因数の和:486216

約数の個数: 20

約数和(自身を含む): 90433944

約数和(自身を除く): 51537704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486203, 972406, 1944812, 2431015, 3889624, 4862030, 7779248, 9724060, 19448120, 38896240]

約数ペア:

[(1, 38896240), (2, 19448120), (4, 9724060), (5, 7779248), (8, 4862030), (10, 3889624), (16, 2431015), (20, 1944812), (40, 972406), (80, 486203)]