77132980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54319}}^1$

素因数の和:54399

約数の個数: 24

約数和(自身を含む): 164263680

約数和(自身を除く): 87130700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 54319, 108638, 217276, 271595, 543190, 1086380, 3856649, 7713298, 15426596, 19283245, 38566490, 77132980]

約数ペア:

[(1, 77132980), (2, 38566490), (4, 19283245), (5, 15426596), (10, 7713298), (20, 3856649), (71, 1086380), (142, 543190), (284, 271595), (355, 217276), (710, 108638), (1420, 54319)]