80551408

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8185

約数の個数: 40

約数和(自身を含む): 180390240

約数和(自身を除く): 99838832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 8081, 9968, 16162, 32324, 56567, 64648, 113134, 129296, 226268, 452536, 719209, 905072, 1438418, 2876836, 5034463, 5753672, 10068926, 11507344, 20137852, 40275704, 80551408]

約数ペア:

[(1, 80551408), (2, 40275704), (4, 20137852), (7, 11507344), (8, 10068926), (14, 5753672), (16, 5034463), (28, 2876836), (56, 1438418), (89, 905072), (112, 719209), (178, 452536), (356, 226268), (623, 129296), (712, 113134), (1246, 64648), (1424, 56567), (2492, 32324), (4984, 16162), (8081, 9968)]