80739280

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1033}}^1$

素因数の和:2023

約数の個数: 40

約数和(自身を含む): 188092872

約数和(自身を除く): 107353592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1033, 1954, 2066, 3908, 4132, 4885, 5165, 7816, 8264, 9770, 10330, 15632, 16528, 19540, 20660, 39080, 41320, 78160, 82640, 1009241, 2018482, 4036964, 5046205, 8073928, 10092410, 16147856, 20184820, 40369640, 80739280]

約数ペア:

[(1, 80739280), (2, 40369640), (4, 20184820), (5, 16147856), (8, 10092410), (10, 8073928), (16, 5046205), (20, 4036964), (40, 2018482), (80, 1009241), (977, 82640), (1033, 78160), (1954, 41320), (2066, 39080), (3908, 20660), (4132, 19540), (4885, 16528), (5165, 15632), (7816, 10330), (8264, 9770)]