15521360

素因数分解:

$2^4\times 5^1\times {\mathrm{194017}}^1$

素因数の和:194030

約数の個数: 20

約数和(自身を含む): 36087348

約数和(自身を除く): 20565988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 194017, 388034, 776068, 970085, 1552136, 1940170, 3104272, 3880340, 7760680, 15521360]

約数ペア:

[(1, 15521360), (2, 7760680), (4, 3880340), (5, 3104272), (8, 1940170), (10, 1552136), (16, 970085), (20, 776068), (40, 388034), (80, 194017)]