38902480

素因数分解:

$2^4\times 5^1\times {\mathrm{486281}}^1$

素因数の和:486294

約数の個数: 20

約数和(自身を含む): 90448452

約数和(自身を除く): 51545972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486281, 972562, 1945124, 2431405, 3890248, 4862810, 7780496, 9725620, 19451240, 38902480]

約数ペア:

[(1, 38902480), (2, 19451240), (4, 9725620), (5, 7780496), (8, 4862810), (10, 3890248), (16, 2431405), (20, 1945124), (40, 972562), (80, 486281)]