77138840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66499}}^1$

素因数の和:66539

約数の個数: 32

約数和(自身を含む): 179550000

約数和(自身を除く): 102411160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 66499, 132998, 265996, 332495, 531992, 664990, 1329980, 1928471, 2659960, 3856942, 7713884, 9642355, 15427768, 19284710, 38569420, 77138840]

約数ペア:

[(1, 77138840), (2, 38569420), (4, 19284710), (5, 15427768), (8, 9642355), (10, 7713884), (20, 3856942), (29, 2659960), (40, 1928471), (58, 1329980), (116, 664990), (145, 531992), (232, 332495), (290, 265996), (580, 132998), (1160, 66499)]