28475120

素因数分解:

$2^4\times 5^1\times {\mathrm{355939}}^1$

素因数の和:355952

約数の個数: 20

約数和(自身を含む): 66204840

約数和(自身を除く): 37729720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355939, 711878, 1423756, 1779695, 2847512, 3559390, 5695024, 7118780, 14237560, 28475120]

約数ペア:

[(1, 28475120), (2, 14237560), (4, 7118780), (5, 5695024), (8, 3559390), (10, 2847512), (16, 1779695), (20, 1423756), (40, 711878), (80, 355939)]