15566480

素因数分解:

$2^4\times 5^1\times {\mathrm{194581}}^1$

素因数の和:194594

約数の個数: 20

約数和(自身を含む): 36192252

約数和(自身を除く): 20625772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 194581, 389162, 778324, 972905, 1556648, 1945810, 3113296, 3891620, 7783240, 15566480]

約数ペア:

[(1, 15566480), (2, 7783240), (4, 3891620), (5, 3113296), (8, 1945810), (10, 1556648), (16, 972905), (20, 778324), (40, 389162), (80, 194581)]