80144080

素因数分解:

$2^4\times 5^1\times {\mathrm{1001801}}^1$

素因数の和:1001814

約数の個数: 20

約数和(自身を含む): 186335172

約数和(自身を除く): 106191092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1001801, 2003602, 4007204, 5009005, 8014408, 10018010, 16028816, 20036020, 40072040, 80144080]

約数ペア:

[(1, 80144080), (2, 40072040), (4, 20036020), (5, 16028816), (8, 10018010), (10, 8014408), (16, 5009005), (20, 4007204), (40, 2003602), (80, 1001801)]