28193680

素因数分解:

$2^4\times 5^1\times {\mathrm{352421}}^1$

素因数の和:352434

約数の個数: 20

約数和(自身を含む): 65550492

約数和(自身を除く): 37356812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352421, 704842, 1409684, 1762105, 2819368, 3524210, 5638736, 7048420, 14096840, 28193680]

約数ペア:

[(1, 28193680), (2, 14096840), (4, 7048420), (5, 5638736), (8, 3524210), (10, 2819368), (16, 1762105), (20, 1409684), (40, 704842), (80, 352421)]