40854376

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 78336000

約数和(自身を除く): 37481624

約数列:

[1, 2, 4, 8, 79, 127, 158, 254, 316, 508, 509, 632, 1016, 1018, 2036, 4072, 10033, 20066, 40132, 40211, 64643, 80264, 80422, 129286, 160844, 258572, 321688, 517144, 5106797, 10213594, 20427188, 40854376]

約数ペア:

[(1, 40854376), (2, 20427188), (4, 10213594), (8, 5106797), (79, 517144), (127, 321688), (158, 258572), (254, 160844), (316, 129286), (508, 80422), (509, 80264), (632, 64643), (1016, 40211), (1018, 40132), (2036, 20066), (4072, 10033)]