79664080

素因数分解:

$2^4\times 5^1\times {\mathrm{995801}}^1$

素因数の和:995814

約数の個数: 20

約数和(自身を含む): 185219172

約数和(自身を除く): 105555092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 995801, 1991602, 3983204, 4979005, 7966408, 9958010, 15932816, 19916020, 39832040, 79664080]

約数ペア:

[(1, 79664080), (2, 39832040), (4, 19916020), (5, 15932816), (8, 9958010), (10, 7966408), (16, 4979005), (20, 3983204), (40, 1991602), (80, 995801)]