80090744

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 152895600

約数和(自身を除く): 72804856

約数列:

[1, 2, 4, 8, 89, 178, 197, 356, 394, 571, 712, 788, 1142, 1576, 2284, 4568, 17533, 35066, 50819, 70132, 101638, 112487, 140264, 203276, 224974, 406552, 449948, 899896, 10011343, 20022686, 40045372, 80090744]

約数ペア:

[(1, 80090744), (2, 40045372), (4, 20022686), (8, 10011343), (89, 899896), (178, 449948), (197, 406552), (356, 224974), (394, 203276), (571, 140264), (712, 112487), (788, 101638), (1142, 70132), (1576, 50819), (2284, 35066), (4568, 17533)]