28378190

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{10099}}^1$

素因数の和:10387

約数の個数: 16

約数和(自身を含む): 51267600

約数和(自身を除く): 22889410

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 10099, 20198, 50495, 100990, 2837819, 5675638, 14189095, 28378190]

約数ペア:

[(1, 28378190), (2, 14189095), (5, 5675638), (10, 2837819), (281, 100990), (562, 50495), (1405, 20198), (2810, 10099)]