144080

素因数分解:

$2^4\times 5^1\times {\mathrm{1801}}^1$

素因数の和:1814

約数の個数: 20

約数和(自身を含む): 335172

約数和(自身を除く): 191092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1801, 3602, 7204, 9005, 14408, 18010, 28816, 36020, 72040, 144080]

約数ペア:

[(1, 144080), (2, 72040), (4, 36020), (5, 28816), (8, 18010), (10, 14408), (16, 9005), (20, 7204), (40, 3602), (80, 1801)]