87588440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30841}}^1$

素因数の和:30923

約数の個数: 32

約数和(自身を含む): 199856160

約数和(自身を除く): 112267720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30841, 61682, 123364, 154205, 246728, 308410, 616820, 1233640, 2189711, 4379422, 8758844, 10948555, 17517688, 21897110, 43794220, 87588440]

約数ペア:

[(1, 87588440), (2, 43794220), (4, 21897110), (5, 17517688), (8, 10948555), (10, 8758844), (20, 4379422), (40, 2189711), (71, 1233640), (142, 616820), (284, 308410), (355, 246728), (568, 154205), (710, 123364), (1420, 61682), (2840, 30841)]