38937680

素因数分解:

$2^4\times 5^1\times {\mathrm{486721}}^1$

素因数の和:486734

約数の個数: 20

約数和(自身を含む): 90530292

約数和(自身を除く): 51592612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486721, 973442, 1946884, 2433605, 3893768, 4867210, 7787536, 9734420, 19468840, 38937680]

約数ペア:

[(1, 38937680), (2, 19468840), (4, 9734420), (5, 7787536), (8, 4867210), (10, 3893768), (16, 2433605), (20, 1946884), (40, 973442), (80, 486721)]