67772920

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1553}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 152727120

約数和(自身を除く): 84954200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1553, 2182, 3106, 4364, 5455, 6212, 7765, 8728, 10910, 12424, 15530, 21820, 31060, 43640, 62120, 1694323, 3388646, 6777292, 8471615, 13554584, 16943230, 33886460, 67772920]

約数ペア:

[(1, 67772920), (2, 33886460), (4, 16943230), (5, 13554584), (8, 8471615), (10, 6777292), (20, 3388646), (40, 1694323), (1091, 62120), (1553, 43640), (2182, 31060), (3106, 21820), (4364, 15530), (5455, 12424), (6212, 10910), (7765, 8728)]